Update screenshots.

Made large progress on getting history from device.

CMakeLists.txt

@@ -1,8 +1,8 @@
 project(qiflora)
 
 cmake_minimum_required(VERSION 2.8.12)
-set(KF5_MIN_VERSION "5.18.0")
+set(KF5_MIN_VERSION "5.44.0")
-set(QT_MIN_VERSION "5.5.0")
+set(QT_MIN_VERSION "5.12.0")
 
 ################# Disallow in-source build #################
 
@@ -28,8 +28,9 @@ include(KDECompilerSettings NO_POLICY_SCOPE)
 
 ################# Find dependencies #################
 
-find_package(Qt5 ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Core Quick Test Gui Svg QuickControls2 Bluetooth)
+find_package(Qt5 ${QT_MIN_VERSION} REQUIRED NO_MODULE COMPONENTS Core Quick Test Gui Svg QuickControls2 Bluetooth Charts)
-find_package(KF5Kirigami2 ${KF5_MIN_VERSION})
+find_package(KF5Kirigami2 ${KF5_MIN_VERSION} REQUIRED)
+find_package(KF5CoreAddons ${KF5_MIN_VERSION} REQUIRED)
 
 ################# Enable C++11 features for clang and gcc #################
 
@@ -38,8 +39,8 @@ set(CMAKE_CXX_STANDARD 11)
 ################# build and install #################
 add_subdirectory(src)
 
-install(PROGRAMS org.eyecreate.qiflora.desktop DESTINATION ${KDE_INSTALL_APPDIR})
+install(PROGRAMS packaging/org.eyecreate.qiflora.desktop DESTINATION ${KDE_INSTALL_APPDIR})
-install(FILES org.eyecreate.qiflora.svg DESTINATION ${KDE_INSTALL_ICONDIR})
+install(FILES packaging/org.eyecreate.qiflora.svg DESTINATION ${KDE_INSTALL_ICONDIR})
-install(FILES org.eyecreate.qiflora.appdata.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
+install(FILES packaging/org.eyecreate.qiflora.appdata.xml DESTINATION ${KDE_INSTALL_METAINFODIR})
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)

org.eyecreate.qiflora.appdata.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<component type="desktop-application">
-  <id>org.eyecreate.qiflora</id>
-  <name>QiFlora</name>
-  <summary>Mobile friendly application to monitor Mi Flora devices.</summary>
-  <metadata_license>FSFAP</metadata_license>
-  <project_license>GPL-3.0-or-later</project_license>
-  <content_rating type="oars-1.1" />
-  <url type="homepage">https://git.eyecreate.org/eyecreate/qiflora</url>
-  <developer_name>eyecreate</developer_name>
-  <description>
-    <p>Mobile friendly application to monitor Mi Flora devices.</p>
-    <p>Plants using this device will have thier data logged when app is used and graphed to better monitor plant health.</p>
-  </description>
-  <screenshots>
-      <screenshot type="default">
-          <image type="source">https://git.eyecreate.org/eyecreate/qiflora/raw/v1.0/packaging/main_window.png</image>
-      </screenshot>
-  </screenshots>
-  <releases>
-      <release version="1.0" date="2019-11-8" type="stable"/>
-  </releases>
-</component>

org.eyecreate.qiflora.json

@@ -1,120 +0,0 @@
-{
-    "id": "org.eyecreate.qiflora",
-    "runtime": "org.kde.Platform",
-    "runtime-version": "5.12",
-    "sdk": "org.kde.Sdk",
-    "command": "qiflora",
-    "tags": ["kde"],
-    "finish-args": [
-        "--share=ipc",
-        "--allow=bluetooth",
-        "--system-talk-name=org.bluez",
-        "--share=network",
-        "--socket=x11",
-        "--socket=wayland",
-        "--device=dri",
-        "--filesystem=home",
-        "--talk-name=org.freedesktop.Notifications"
-    ],
-    "separate-locales": false,
-
-    "modules": [
-        {
-            "name": "udev",
-            "rm-configure": true,
-            "config-opts": [
-                "--disable-hwdb",
-                "--disable-logging",
-                "--disable-introspection",
-                "--disable-keymap",
-                "--disable-mtd_probe",
-                "--with-systemdsystemunitdir=/app/lib/systemd/"
-            ],
-            "cleanup": [
-                "/include",
-                "/etc",
-                "/libexec",
-                "/sbin",
-                "/lib/pkgconfig",
-                "/lib/systemd",
-                "/man",
-                "/share/aclocal",
-                "/share/doc",
-                "/share/gtk-doc",
-                "/share/man",
-                "/share/pkgconfig",
-                "*.la",
-                "*.a"
-            ],
-            "sources": [
-                {
-                "type": "archive",
-                "url": "https://www.kernel.org/pub/linux/utils/kernel/hotplug/udev-175.tar.bz2",
-                "sha256": "4c7937fe5a1521316ea571188745b9a00a9fdf314228cffc53a7ba9e5968b7ab"
-                },
-                {
-                "type": "patch",
-                "path": "sysmacros.patch"
-                },
-                {
-                "type": "script",
-                "dest-filename": "autogen.sh",
-                "commands": [
-                    "autoreconf -vfi"
-                ]
-                }
-            ],
-            "post-install": [
-                "sed -i 's|${exec_prefix}|/app|g' /app/share/pkgconfig/udev.pc"
-            ]
-        },
-        {
-            "name": "ical",
-            "cleanup": [
-                "/lib/cmake"
-            ],
-            "buildsystem": "cmake-ninja",
-            "config-opts": [
-                "-DCMAKE_BUILD_TYPE=RelWithDebInfo",
-                "-DCMAKE_INSTALL_LIBDIR=/app/lib",
-                "-DBUILD_SHARED_LIBS=ON"
-            ],
-            "sources": [ { "type": "archive", "url": "https://github.com/libical/libical/archive/v3.0.5.tar.gz", "sha256": "483acbf7fee66ca071c2ff8183e46b6f2b3a89e1e866eadf4870eaaa281c8db1" } ]
-        },
-        {
-            "name": "bluez",
-            "config-opts": [
-                "--disable-datafiles",
-                "--disable-systemd",
-                "--enable-library",
-                "--prefix=/app",
-                "--sysconfdir=/app/etc"
-            ],
-            "sources": [ { "type": "archive", "url": "https://mirrors.edge.kernel.org/pub/linux/bluetooth/bluez-5.50.tar.xz", "sha256": "5ffcaae18bbb6155f1591be8c24898dc12f062075a40b538b745bfd477481911"} ]
-        },
-        {
-            "name": "qtconnectivity",
-            "buildsystem": "simple",
-            "cleanup-platform": [
-                "/bin",
-                "/mkspecs"
-            ],
-            "sources": [ { "type": "git", "url": "https://github.com/qt/qtconnectivity", "branch": "5.12.4", "commit": "f6be1f73a810514335ab3d27e1d05825a36b06af" } ],
-            "build-commands": [
-                "qmake",
-                "make -j $FLATPAK_BUILDER_N_JOBS",
-                "cp -r -n bin /app",
-                "cp -r -n include /app",
-                "cp -r -n lib /app",
-                "mkdir -p /app/src/bluetooth",
-                "cp -r src/bluetooth /app/src/"
-            ]
-        },
-        {
-            "name": "qiflora",
-            "buildsystem": "cmake-ninja",
-            "builddir": true,
-            "sources": [ { "type": "dir", "path": ".", "skip": [".git"] } ]
-        }
-    ]
-}

packaging/org.eyecreate.qiflora.appdata.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<component type="desktop-application">
+  <id>org.eyecreate.qiflora</id>
+  <name>QiFlora</name>
+  <summary>Mobile friendly application to monitor plants using Mi Flora devices.</summary>
+  <metadata_license>FSFAP</metadata_license>
+  <project_license>GPL-3.0-or-later</project_license>
+  <content_rating type="oars-1.1" />
+  <url type="homepage">https://git.eyecreate.org/eyecreate/qiflora</url>
+  <url type="contact">https://www.eyecreate.org</url>
+  <developer_name>eyecreate</developer_name>
+  <description>
+    <p>Mobile friendly application to monitor Mi Flora devices.</p>
+    <p>Plants using this device will have thier data logged when app is used and graphed to better monitor plant health.</p>
+  </description>
+  <screenshots>
+      <screenshot type="default">
+          <image type="source">https://git.eyecreate.org/eyecreate/qiflora/raw/v1.1.2/packaging/main_window.png</image>
+      </screenshot>
+      <screenshot>
+          <image type="source">https://git.eyecreate.org/eyecreate/qiflora/raw/v1.1.2/packaging/mobile_window.png</image>
+      </screenshot>
+  </screenshots>
+  <releases>
+      <release version="1.1.2" date="2019-11-15" type="stable">
+          <description>
+              <p>Fixed code causing text to sometimes not appear.</p>
+          </description>
+      </release>
+      <release version="1.1.1" date="2019-11-14" type="stable">
+          <description>
+              <p>Cleaned up graph markings and temperature rounding.</p>
+          </description>
+      </release>
+      <release version="1.1" date="2019-11-13" type="stable">
+          <description>
+              <p>This release adds history graph for the last 48 hours.</p>
+          </description>
+      </release>
+      <release version="1.0" date="2019-11-8" type="stable"/>
+  </releases>
+</component>

packaging/org.eyecreate.qiflora.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Name=QiFlora
 Comment=Monitor plants with Mi Flora sensors.
-Version=1.0
+Version=1.1.2
 Exec=qiflora
 MimeType=application/x-qiflora;
 Icon=org.eyecreate.qiflora

packaging/org.eyecreate.qiflora.json

@@ -0,0 +1,99 @@
+{
+  "id": "org.eyecreate.qiflora",
+  "runtime": "org.kde.Platform",
+  "command": "qiflora",
+  "finish-args": [
+    "--share=ipc",
+    "--allow=bluetooth",
+  "runtime-version": "5.13",
+  "sdk": "org.kde.Sdk",
+    "--system-talk-name=org.bluez",
+    "--share=network",
+    "--socket=x11",
+    "--socket=wayland",
+    "--device=dri",
+    "--filesystem=home",
+    "--talk-name=org.freedesktop.Notifications"
+  ],
+  "separate-locales": false,
+  "modules": [
+    {
+      "name": "ical",
+      "cleanup": [
+        "/lib/cmake"
+      ],
+      "buildsystem": "cmake-ninja",
+      "config-opts": [
+        "-DCMAKE_BUILD_TYPE=RelWithDebInfo",
+        "-DCMAKE_INSTALL_LIBDIR=/app/lib",
+        "-DBUILD_SHARED_LIBS=ON"
+      ],
+      "sources": [
+        {
+          "type": "archive",
+          "url": "https://github.com/libical/libical/archive/v3.0.5.tar.gz",
+          "sha256": "483acbf7fee66ca071c2ff8183e46b6f2b3a89e1e866eadf4870eaaa281c8db1"
+        }
+      ]
+    },
+    {
+      "name": "bluez",
+      "config-opts": [
+        "--disable-datafiles",
+        "--disable-systemd",
+        "--enable-library",
+        "--prefix=/app",
+        "--sysconfdir=/app/etc",
+        "--disable-udev"
+      ],
+      "sources": [
+        {
+          "type": "archive",
+          "url": "https://mirrors.edge.kernel.org/pub/linux/bluetooth/bluez-5.52.tar.xz",
+          "sha256": "f7144ce2039202cfac18ccb52426efea11c98e4f6e1bb8041bcb994b8378560a"
+        }
+      ]
+    },
+    {
+      "name": "qtconnectivity",
+      "buildsystem": "simple",
+      "cleanup-platform": [
+        "/bin",
+        "/mkspecs"
+      ],
+      "sources": [
+        {
+          "type": "git",
+          "url": "https://github.com/qt/qtconnectivity",
+          "branch": "5.13.2",
+          "commit": "f6be1f73a810514335ab3d27e1d05825a36b06af"
+        }
+      ],
+      "build-commands": [
+        "qmake",
+        "make -j $FLATPAK_BUILDER_N_JOBS",
+        "cp -r -n bin /app",
+        "cp -r -n include /app",
+        "cp -r -n lib /app",
+        "mkdir -p /app/src/bluetooth",
+        "cp -r src/bluetooth /app/src/"
+      ]
+    },
+    {
+      "name": "qiflora",
+      "buildsystem": "cmake-ninja",
+      "builddir": true,
+      "config-opts": [
+        "-DCMAKE_BUILD_TYPE=Release"
+      ]
+      "sources": [
+        {
+          "type": "git",
+          "url": "https://git.eyecreate.org/eyecreate/qiflora.git",
+          "tag": "v1.1.2",
+          "commit": "16db502a0460139dcff6a63df90c218e3e4c1d66"
+        }
+      ]
+    }
+  ]
+}

src/CMakeLists.txt

@@ -2,10 +2,11 @@
 set(qiflora_SRCS
     miflora/miflora.cpp
     miflora/bluetoothdevices.cpp
+    miflora/florahistory.cpp
     main.cpp
     )
 
 qt5_add_resources(RESOURCES resources.qrc)
 add_executable(qiflora ${qiflora_SRCS} ${RESOURCES})
-target_link_libraries(qiflora Qt5::Core Qt5::Qml Qt5::Quick Qt5::Svg Qt5::Bluetooth)
+target_link_libraries(qiflora Qt5::Core Qt5::Qml Qt5::Quick Qt5::Svg Qt5::Bluetooth Qt5::Charts KF5::CoreAddons)
 install(TARGETS qiflora ${KF5_INSTALL_TARGETS_DEFAULT_ARGS})

src/contents/ui/main.qml

@@ -1,8 +1,9 @@
 import QtQuick 2.6
-import org.kde.kirigami 2.4 as Kirigami
+import org.kde.kirigami 2.6 as Kirigami
 import QtQuick.Controls 2.0 as Controls
 import QtQuick.Layouts 1.12 as Layouts
-import org.eyecreate.qiflora 1.0
+import QtCharts 2.3 as Charts
+import org.eyecreate.qiflora 1.1
 
 Kirigami.ApplicationWindow {
     id: root
@@ -11,6 +12,7 @@ Kirigami.ApplicationWindow {
     
 
     pageStack.initialPage: mainPageComponent
+    contextDrawer: Kirigami.ContextDrawer {}
     
     QiFlora {
         id: qiflora
@@ -19,33 +21,99 @@ Kirigami.ApplicationWindow {
     Component {
         id: mainPageComponent
 
-        Kirigami.ScrollablePage {
+        Kirigami.Page {
+            id: mainPage
             mainAction: Kirigami.Action {
                     iconName: "view-refresh"
-                    text: i18n("Query Device")
+                    text: qsTr("Query Device")
                     onTriggered: {
                         deviceSelect.open();
                     }
             }
+            contextualActions: [
+                Kirigami.Action {
+                    iconName: "help-about"
+                    text: qsTr("About")
+                    onTriggered: {
+                        pageStack.replace(aboutPageComponent);
+                    }
+                }
+            ]
             title: "Monitor"
+            leftPadding: 0
+            rightPadding: 0
 
-            Component.onCompleted: {
+            Layouts.ColumnLayout {
-                monitorTypes.append({"chartType": "temperature", "title": i18n("Temperature"), "icon": "filename-bpm-amarok"});
+                anchors.fill: parent
-                monitorTypes.append({"chartType": "moisture", "title": i18n("Moisture"), "icon": "colors-chromablue"});
+                Kirigami.InlineMessage {
-                monitorTypes.append({"chartType": "conductivity", "title": i18n("Conductivity"), "icon": "quickopen"});
+                    Layouts.Layout.fillWidth: true
-                monitorTypes.append({"chartType": "brightness", "title": i18n("Brightness"), "icon": "contrast"});
+                    Layouts.Layout.leftMargin: 10
+                    Layouts.Layout.rightMargin: 10
+                    z: 9997
+                    type: Kirigami.MessageType.Error
+                    id: errorMessage
+                    showCloseButton: true
+                    Connections {
+                        target: qiflora
+                        onErrorHappened: {
+                            errorMessage.text = description;
+                            errorMessage.visible = true;
+                        }
+                    }
                 }
                 
                 Kirigami.CardsListView {
+                    Layouts.Layout.fillWidth: true
+                    Layouts.Layout.fillHeight: true
                     id: monitorView
                     model: ListModel {
                         id: monitorTypes
+                        ListElement{
+                            chartType: "temperature"
+                            title: "Temperature"
+                            icon: "filename-bpm-amarok"
+                            lineColor: "red"
+                            units: "°C"
+                            yMin: -20
+                            yMax: 40
+                            modelCol: 1
+                        }
+                        ListElement{
+                            chartType: "moisture"
+                            title: "Moisture"
+                            icon: "colors-chromablue"
+                            lineColor: "cyan"
+                            units: "%"
+                            yMin: 0
+                            yMax: 75
+                            modelCol: 3
+                        }
+                        ListElement{
+                            chartType: "conductivity"
+                            title: "Conductivity"
+                            icon: "quickopen"
+                            lineColor: "gold"
+                            units: "µS/cm"
+                            yMin: 0
+                            yMax: 6000
+                            modelCol: 4
+                        }
+                        ListElement{
+                            chartType: "brightness"
+                            title: "Brightness"
+                            icon: "contrast"
+                            lineColor: "orange"
+                            units: "lux"
+                            yMin: 0
+                            yMax: 30000
+                            modelCol: 2
+                        }
                     }            
                     
                     delegate: Kirigami.Card {
                         id: card
                         banner {
-                        title: model.title
+                            title: qsTr(model.title)
                             titleIcon: model.icon
                             titleLevel: 2
                         }
@@ -57,13 +125,13 @@ Kirigami.ApplicationWindow {
                                 Kirigami.Heading {
                                     Layouts.Layout.alignment: Qt.AlignCenter
                                     level: 4
-                                text: i18n("Last Measured")
+                                    text: qsTr("Last Measured")
                                 }
                                 Kirigami.Heading {
                                     Layouts.Layout.alignment: Qt.AlignCenter
                                     level: 3
                                     text: {
-                                    if(model.chartType == "temperature") qiflora.temperature + "°C"
+                                        if(model.chartType == "temperature") Math.round(qiflora.temperature*10)/10 + "°C\n" + (Math.round((qiflora.temperature*1.8+32)*10)/10) + "°F"
                                         else if(model.chartType == "moisture") qiflora.moisture + "%"
                                         else if(model.chartType == "conductivity") qiflora.conduction + " µS/cm"
                                         else if(model.chartType == "brightness") qiflora.brightness + " lux"
@@ -71,11 +139,62 @@ Kirigami.ApplicationWindow {
                                 }
                             }
                         }
-                    contentItem: Controls.Label {
+                        contentItem: Item {
-                            wrapMode: Text.WordWrap
+                                implicitWidth: 300
-                            text: i18n("") //TODO: replace with graph?
+                                implicitHeight: 200
+                                Charts.ChartView {
+                                    id: chart
+                                    antialiasing: true
+                                    backgroundColor: Kirigami.Theme.buttonBackgroundColor
+                                    titleColor: Kirigami.Theme.textColor
+                                    legend.visible: false
+                                    anchors.fill: parent
+                                    
+                                    Charts.LineSeries {
+                                        id: series
+                                        axisX: Charts.DateTimeAxis {
+                                            id: dateAx
+                                            labelsColor: Kirigami.Theme.textColor
+                                            format: "MMM d yyyy ha"
+                                            
+                                            Component.onCompleted: {
+                                                //On load, change date span to last 24 to remove awkward 1969 empty dates.
+                                                var yesterday = new Date();
+                                                yesterday.setDate(yesterday.getDate() -1);
+                                                dateAx.min = yesterday;
+                                                dateAx.max = new Date();
                                             }
                                         }
+                                        axisY: Charts.ValueAxis {
+                                            id: valueAx
+                                            labelFormat: "%d "+units
+                                            labelsColor: Kirigami.Theme.textColor
+                                            min: yMin
+                                            max: yMax
+                                        }
+                                        color: model.lineColor
+                                        name: model.title
+                                        
+                                        Charts.VXYModelMapper {
+                                            model: qiflora.model
+                                            xColumn: 0
+                                            yColumn: modelCol
+                                            
+                                        }
+                                    }
+                                    Connections {
+                                        target: qiflora.model
+                                        onRowsInserted: {
+                                            //Readjust graphs to show date range from earliest item.
+                                            dateAx.max = new Date();
+                                            dateAx.min = qiflora.model.data(qiflora.model.index(0,0));
+                                        }
+                                    }
+                            }
+                        }
+                    }
+                    Controls.ScrollBar.vertical: Controls.ScrollBar {}
+                }
             }
             
             Kirigami.OverlaySheet {
@@ -86,15 +205,13 @@ Kirigami.ApplicationWindow {
                             Rectangle {
                                 height: 10
                                 color: "transparent"
-                                width: parent.width
                             }
                             Kirigami.Heading {
-                                text: i18n("Select Device to Query")
+                                text: qsTr("Select Device to Query")
                             }
                             Rectangle {
                                 height: 10
                                 color: "transparent"
-                                width: parent.width
                             }
                         }
                         id: deviceList
@@ -126,4 +243,20 @@ Kirigami.ApplicationWindow {
             }
         }
     }
+    
+    Component {
+        id:aboutPageComponent
+        Kirigami.AboutPage {
+            id: aboutPage
+            actions.main: Kirigami.Action {
+                iconName: "window-close"
+                text: qsTr("Close")
+                onTriggered: {
+                    pageStack.clear();
+                    pageStack.push(mainPageComponent);
+                }
+            }
+            aboutData: appAboutData
+        }
+    }
 }

src/main.cpp

@@ -4,18 +4,30 @@
 #include <QUrl>
 #include "miflora/miflora.h"
 #include "miflora/bluetoothdevices.h"
+#include <KAboutData>
+#include <QIcon>
 
 Q_DECL_EXPORT int main(int argc, char *argv[])
 {
     QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QApplication app(argc, argv);
+    
+    KAboutData aboutData("org.eyecreate.qiflora", "QiFlora", "1.1.2", "Mobile friendly application to monitor Mi Flora devices.",KAboutLicense::GPL_V3);//TODO:i18n
+    aboutData.setProductName("qiflora");
+    aboutData.addAuthor("Kevin Whitaker",QString(),"eyecreate@eyecreate.org","https://www.eyecreate.org");
+    aboutData.setDesktopFileName("org.eyecreate.qiflora");
+    
     QCoreApplication::setOrganizationName("eyecreate");
     QCoreApplication::setOrganizationDomain("eyecreate.org");
-    QCoreApplication::setApplicationName("qiflora");
+    QCoreApplication::setApplicationName(aboutData.productName());
+    QCoreApplication::setApplicationVersion(aboutData.version());
+    app.setWindowIcon(QIcon::fromTheme("org.eyecreate.qiflora"));
+    
 
     QQmlApplicationEngine engine;
     qmlRegisterType<BluetoothDevices>();
-    qmlRegisterType<MiFlora>("org.eyecreate.qiflora",1,0,"QiFlora");
+    qmlRegisterType<MiFlora>("org.eyecreate.qiflora",1,1,"QiFlora");
+    engine.rootContext()->setContextProperty(QStringLiteral("appAboutData"), QVariant::fromValue(aboutData));
     engine.load(QUrl(QStringLiteral("qrc:///main.qml")));
 
     if (engine.rootObjects().isEmpty()) {

src/miflora/florahistory.cpp

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2019  Kevin Whitaker <eyecreate@eyecreate.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "florahistory.h"
+#include <QDebug>
+#include <cmath>
+
+QVariant FloraHistory::data(const QModelIndex& index, int role) const
+{
+    if(role == Qt::DisplayRole && tableData.size()-1 >= index.row()) {
+        if(index.column() == 0) {
+            return QVariant(tableData[index.row()].time);
+        } else if(index.column() == 1) {
+            return QVariant(std::round(tableData[index.row()].temperature*10)/10); //temp in C
+        } else if(index.column() == 2) {
+            return QVariant(tableData[index.row()].brightness);
+        } else if(index.column() == 3) {
+            return QVariant(tableData[index.row()].moisture);
+        } else if(index.column() == 4) {
+            return QVariant(tableData[index.row()].conductivity);
+        } else if(index.column() == 5) {
+            return QVariant((std::round((tableData[index.row()].temperature*1.8+32)*10)/10)); //temp in F
+        } else {
+            return QVariant();
+        }
+    } else {
+        return QVariant();
+    }
+}
+
+int FloraHistory::columnCount(const QModelIndex& parent) const
+{
+    return 6;
+}
+
+int FloraHistory::rowCount(const QModelIndex& parent) const
+{
+    return tableData.size();
+}
+
+void FloraHistory::addData(QDateTime time, float temperature, quint32 brightness, quint8 moisture, quint16 conductivity)
+{
+    beginInsertRows(QModelIndex(),tableData.size(),tableData.size());
+    tableData.append(flora_data{time, temperature, brightness, moisture, conductivity});
+    endInsertRows();
+}
+
+void FloraHistory::clear()
+{
+    tableData.clear();
+    emit layoutChanged();
+}
+
+

src/miflora/florahistory.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2019  Kevin Whitaker <eyecreate@eyecreate.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FLORAHISTORY_H
+#define FLORAHISTORY_H
+
+#include <qabstractitemmodel.h>
+#include <QDateTime>
+#include <QList>
+
+/**
+ * Model class to hold history data from MiFlora device.
+ */
+class FloraHistory : public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    
+    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+
+    int columnCount(const QModelIndex& parent) const override;
+
+    int rowCount(const QModelIndex& parent) const override;
+    
+    void clear();
+    
+    void addData(QDateTime time, float temperature, quint32 brightness, quint8 moisture, quint16 conductivity);
+    
+private:
+    struct flora_data {
+        QDateTime time;
+        float temperature;
+        quint32 brightness;
+        quint8 moisture;
+        quint16 conductivity;
+        
+    };
+    QList<flora_data> tableData;
+
+};
+
+#endif // FLORAHISTORY_H

src/miflora/miflora.cpp

@@ -55,6 +55,11 @@ void MiFlora::updateDataFromDevice ( QString mac )
     }
 }
 
+QAbstractTableModel * MiFlora::getModel()
+{
+    return floraModel;
+}
+
 void MiFlora::foundDevice ( const QBluetoothDeviceInfo& device )
 {
     if(device.coreConfigurations() & QBluetoothDeviceInfo::LowEnergyCoreConfiguration && device.address().toString().startsWith("C4:7C")) {
@@ -72,20 +77,34 @@ QQmlListProperty<BluetoothDevices> MiFlora::getDeviceList()
 void MiFlora::logControllerError ( QLowEnergyController::Error err )
 {
     qDebug() << "Error:" << err;
+    emit errorHappened(currentController->errorString());
 }
 
 void MiFlora::logServiceError(QLowEnergyService::ServiceError err)
 {
     qDebug() << "Service Error:" << err;
+    emit errorHappened("Possible Read/Write error!");
 }
 
 
-void MiFlora::serviceStateChanges ( QLowEnergyService::ServiceState state )
+void MiFlora::sensorServiceStateChanges ( QLowEnergyService::ServiceState state )
 {
     if(state == QLowEnergyService::ServiceState::ServiceDiscovered) {
         for(QLowEnergyCharacteristic chrt : sensorService->characteristics()) {
             if(chrt.uuid().toUInt16() == magicChar) {
-                sensorService->writeCharacteristic(chrt, QByteArray::fromHex("a01f"));
+                sensorService->writeCharacteristic(chrt, magicBytes);
+            }
+        }
+    }
+}
+
+void MiFlora::historyServiceStateChanges ( QLowEnergyService::ServiceState state )
+{
+    if(state == QLowEnergyService::ServiceState::ServiceDiscovered) {
+        for(QLowEnergyCharacteristic chrt : historyService->characteristics()) {
+            if(chrt.uuid().toUInt16() == historyTimeChar) {
+                qDebug() << "Asking for device's view on time.";
+                historyService->readCharacteristic(chrt);
             }
         }
     }
@@ -134,15 +153,135 @@ void MiFlora::serviceCharRead(QLowEnergyCharacteristic readChar, QByteArray valu
     }
 }
 
+QLowEnergyCharacteristic MiFlora::getCharFromValue(QLowEnergyService *service, quint16 characteristic)
+{
+    for(QLowEnergyCharacteristic chrt : service->characteristics()) {
+        if(chrt.uuid().toUInt16() == characteristic) {
+            return chrt;
+        }
+    }
+    return QLowEnergyCharacteristic();
+}
+
+void MiFlora::historyServiceCharRead(QLowEnergyCharacteristic readChar, QByteArray value)
+{
+    if(readChar.uuid().toUInt16() == historyReaderChar) {
+        QDataStream parser(value);
+        parser.setByteOrder(QDataStream::LittleEndian);
+        quint16 size;
+        parser >> size;
+        //change connect signals/slots to perform history read task.
+        disconnect(historyService, &QLowEnergyService::characteristicRead, this, &MiFlora::historyServiceCharRead);
+        connect(historyService, &QLowEnergyService::characteristicRead, this, &MiFlora::historyServiceCharReadData);
+        disconnect(historyService, &QLowEnergyService::characteristicWritten, this, &MiFlora::historyServiceCharWritten);
+        connect(historyService, &QLowEnergyService::characteristicWritten, this, &MiFlora::historyServiceCharWrittenData);
+        //Take size given and start by giving the last 48 numbers(if that many) to represent the last day of data. TODO: look to have amount of time be configurable.
+        lastHistoryEntry = 0;
+        if(size > 48) {
+            currentHistoryEntry = 48;
+        } else {
+            currentHistoryEntry = size;
+        }
+        floraModel->clear();
+        //Ask for first history value
+        QByteArray historyIndex(QByteArray::fromHex("a1"));
+        QDataStream historyParser(&historyIndex, QIODevice::ReadWrite);
+        historyParser.setByteOrder(QDataStream::LittleEndian);
+        historyParser.skipRawData(1);
+        historyParser << currentHistoryEntry;
+        historyService->writeCharacteristic(getCharFromValue(historyService, historyControllerChar), historyIndex);
+    } else if(readChar.uuid().toUInt16() == historyTimeChar) {
+        //Determine when device started counting by comparing system and device time.
+        quint32 time;
+        QDataStream parser(value);
+        parser.setByteOrder(QDataStream::LittleEndian);
+        parser >> time;
+        qint64 systemTime = QDateTime::currentSecsSinceEpoch();
+        deviceStartTime = systemTime - time;
+        //Now we start the history reading process.
+        qDebug() << "Writing history init.";
+        historyService->writeCharacteristic(getCharFromValue(historyService, historyControllerChar), historyReadInit);
+    }
+}
+
+void MiFlora::historyServiceCharReadData(QLowEnergyCharacteristic readChar, QByteArray value)
+{
+    //We are in a read loop. Read data and determine if we should stop asking for history.
+    if(value == QByteArray::fromHex("ffffffffffffffffffffffffffffffff") || value == QByteArray::fromHex("00000000000000000000000000000000") || value == QByteArray::fromHex("aabbccddeeff99887766554433221110")) {
+        qDebug() << "invalid history response:" << value;
+    } else {
+        quint16 origTemp;
+        quint32 time;
+        quint32 bright;
+        quint8 moisture;
+        quint16 conduct;
+        float temp;
+        QDataStream parser(value);
+        parser.setByteOrder(QDataStream::LittleEndian);
+        parser >> time;
+        parser >> origTemp;
+        temp = origTemp/ 10.0; //original value in 0.1 C
+        parser.skipRawData(1);
+        parser >> bright;
+        parser >> moisture;
+        parser >> conduct;
+        QDateTime convTime;
+        convTime.setSecsSinceEpoch(deviceStartTime+time);
+        //Write out items to table
+        floraModel->addData(convTime, temp, bright, moisture, conduct);
+    }
+    
+    if(lastHistoryEntry == currentHistoryEntry) {
+        disconnect(historyService, &QLowEnergyService::characteristicRead, this, &MiFlora::historyServiceCharReadData);
+        connect(historyService, &QLowEnergyService::characteristicRead, this, &MiFlora::historyServiceCharRead);
+        disconnect(historyService, &QLowEnergyService::characteristicWritten, this, &MiFlora::historyServiceCharWrittenData);
+        connect(historyService, &QLowEnergyService::characteristicWritten, this, &MiFlora::historyServiceCharWritten);
+    } else {
+        //Get next history entry
+        currentHistoryEntry -= 1;
+        QByteArray historyIndex(QByteArray::fromHex("a1"));
+        QDataStream parser(&historyIndex, QIODevice::ReadWrite);
+        parser.setByteOrder(QDataStream::LittleEndian);
+        parser.skipRawData(1);
+        parser << currentHistoryEntry;
+        historyService->writeCharacteristic(getCharFromValue(historyService, historyControllerChar), historyIndex);
+    }
+}
+
+void MiFlora::historyServiceCharWrittenData(QLowEnergyCharacteristic changedChar, QByteArray value)
+{
+    //We are in a read loop. Ask to read from history what should have just been requested by a write.
+    historyService->readCharacteristic(getCharFromValue(historyService, historyReaderChar));
+}
+
+
+void MiFlora::historyServiceCharWritten(QLowEnergyCharacteristic changedChar, QByteArray value)
+{
+    if(changedChar.uuid().toUInt16() == historyControllerChar) {
+        for(QLowEnergyCharacteristic chrt : historyService->characteristics()) {
+            if(chrt.uuid().toUInt16() == historyReaderChar) {
+                historyService->readCharacteristic(chrt);
+            }
+        }
+    }
+}
+
 void MiFlora::serviceDiscovered ( const QBluetoothUuid& gatt )
 {
-    if(gatt == QBluetoothUuid(dataService)) {
+    if(gatt == QBluetoothUuid(dataServiceChar)) {
         sensorService = currentController->createServiceObject(gatt);
-        connect(sensorService, &QLowEnergyService::stateChanged, this, &MiFlora::serviceStateChanges);
+        connect(sensorService, &QLowEnergyService::stateChanged, this, &MiFlora::sensorServiceStateChanges);
         connect(sensorService, static_cast<void (QLowEnergyService::*)(QLowEnergyService::ServiceError)>(&QLowEnergyService::error), this, &MiFlora::logServiceError);
         connect(sensorService, &QLowEnergyService::characteristicWritten, this, &MiFlora::serviceCharWritten);
         connect(sensorService, &QLowEnergyService::characteristicRead, this, &MiFlora::serviceCharRead);
         sensorService->discoverDetails();
+    } else if(gatt == QBluetoothUuid(historyServiceChar)) {
+        historyService = currentController->createServiceObject(gatt);
+        connect(historyService, &QLowEnergyService::stateChanged, this, &MiFlora::historyServiceStateChanges);
+        connect(historyService, static_cast<void (QLowEnergyService::*)(QLowEnergyService::ServiceError)>(&QLowEnergyService::error), this, &MiFlora::logServiceError);
+        connect(historyService, &QLowEnergyService::characteristicWritten, this, &MiFlora::historyServiceCharWritten);
+        connect(historyService, &QLowEnergyService::characteristicRead, this, &MiFlora::historyServiceCharRead);
+        historyService->discoverDetails();
     }
 }
 

src/miflora/miflora.h

@@ -26,6 +26,10 @@
 #include <QtBluetooth/QLowEnergyCharacteristic>
 #include "bluetoothdevices.h"
 #include <QQmlListProperty>
+#include <QAbstractItemModel>
+#include <QDateTime>
+#include "florahistory.h"
+#include <QXYSeries>
 
 /**
  * Class using QtBluetooth to find and retrive info from Mi Flora devices.
@@ -39,17 +43,21 @@ class MiFlora : public QObject
     Q_PROPERTY(quint16 conduction NOTIFY conductionChanged MEMBER conduct)
     Q_PROPERTY(quint8 battery NOTIFY batteryChanged MEMBER battery)
     Q_PROPERTY(QQmlListProperty<BluetoothDevices> devices READ getDeviceList NOTIFY newDeviceFound)
+    Q_PROPERTY(QAbstractTableModel* model READ getModel NOTIFY modelUpdated)
     
 public:
     Q_INVOKABLE void startSearch();
     Q_INVOKABLE void stopSearch();
     
     Q_INVOKABLE void updateDataFromDevice(QString mac);
+    
     QQmlListProperty<BluetoothDevices> getDeviceList();
-    //TODO:History?
+    QAbstractTableModel* getModel();
     
 signals:
     void newDeviceFound();
+    void modelUpdated();
+    void errorHappened(QString description);
     void temperatureChanged(float temperature);
     void brightnessChanged(quint32 brightness);
     void moistureChanged(quint8 moisture);
@@ -61,19 +69,33 @@ private:
     void serviceDiscovered(const QBluetoothUuid &gatt);
     void logControllerError(QLowEnergyController::Error err);
     void logServiceError(QLowEnergyService::ServiceError err);
-    void serviceStateChanges(QLowEnergyService::ServiceState state);
+    void sensorServiceStateChanges(QLowEnergyService::ServiceState state);
+    void historyServiceStateChanges(QLowEnergyService::ServiceState state);
     void serviceCharWritten(QLowEnergyCharacteristic changedChar, QByteArray value);
     void serviceCharRead(QLowEnergyCharacteristic readChar, QByteArray value);
+    void historyServiceCharWritten(QLowEnergyCharacteristic changedChar, QByteArray value);
+    void historyServiceCharWrittenData(QLowEnergyCharacteristic changedChar, QByteArray value);
+    void historyServiceCharRead(QLowEnergyCharacteristic readChar, QByteArray value);
+    void historyServiceCharReadData(QLowEnergyCharacteristic readChar, QByteArray value);
+    QLowEnergyCharacteristic getCharFromValue(QLowEnergyService *service, quint16 characteristic);
     
     QBluetoothDeviceDiscoveryAgent *agent;
     QList<BluetoothDevices*> devices;
     QLowEnergyController *currentController;
     QLowEnergyService *sensorService;
+    QLowEnergyService *historyService;
     
-    const quint16 dataService = 4612; //0x1204
+    const quint16 dataServiceChar = 4612; //0x1204
+    const quint16 historyServiceChar = 4614; //0x1206
     const quint16 batteryFirmwareChar = 6658;//0x1a02
     const quint16 sensorsChar = 6657; //0x1a01
     const quint16 magicChar = 6656; //0x1a00
+    const quint16 historyControllerChar = 6672; //0x1a10
+    const quint16 historyReaderChar = 6673; //0x1a11
+    const quint16 historyTimeChar = 6674; //0x1a12
+    const QByteArray magicBytes = QByteArray::fromHex("a01f");
+    const QByteArray historyReadInit = QByteArray::fromHex("a00000");
+    
 
     float temp = 0.0;
     quint32 bright = 0;
@@ -81,6 +103,11 @@ private:
     quint16 conduct = 0;
     quint8 battery = 0;
     QString version;
+    qint64 deviceStartTime;
+    qint16 currentHistoryEntry;
+    qint16 lastHistoryEntry;
+    
+    FloraHistory *floraModel = new FloraHistory();
 
 };