Ajout de fusioncharts

pyprevention/dashboard/fusioncharts.py

+from django.http import HttpResponse
+import json
+from collections import OrderedDict
+
+# Common base class for FC
+class FusionCharts:
+
+    baseTemplate = """
+        <script type="text/javascript">
+            FusionCharts.ready(function () {
+                __FC__
+            });
+        </script>"""
+
+    constructorTemplate = """new FusionCharts(__constructorOptions__);"""
+    renderTemplate = """FusionCharts("__chartId__").render();"""
+    eventTemplate = """FusionCharts("__chartId__").addEventListener("_fceventname_",_fceventbody_);"""
+    
+
+    # constructor
+    def __init__(self, type, id, width, height, renderAt, dataFormat, dataSource): 
+        self.eventOptions = OrderedDict()
+        self.constructorOptions = {}  
+        self.constructorOptions['type'] = type
+        self.constructorOptions['id'] = id
+        self.constructorOptions['width'] = width
+        self.constructorOptions['height'] = height
+        self.constructorOptions['renderAt'] = renderAt
+        self.constructorOptions['dataFormat'] = dataFormat
+        #dataSource = unicode(dataSource, errors='replace')
+        self.constructorOptions['dataSource'] = dataSource
+
+    def addEvent(self, eventName, funcName):
+        self.eventOptions[eventName] = funcName
+
+    def addMessage(self, messageName, messageValue):
+        self.constructorOptions[messageName] = messageValue
+
+    # render the chart created
+    # It prints a script and calls the FusionCharts javascript render method of created chart   
+    def render(self):
+        
+        # Serialize constructorOptions to a JSON formatted
+        self.readyJson = json.dumps(self.constructorOptions, ensure_ascii=False)
+
+        # Create Fusioncharts constructor from template and insert JSON data in it
+        self.readyJson = FusionCharts.constructorTemplate.replace('__constructorOptions__', self.readyJson)
+
+        # Iterate and attach EventHandler from template
+        for key, value in self.eventOptions.items():
+            self.readyJson = self.readyJson + FusionCharts.eventTemplate.replace('__chartId__', self.constructorOptions['id'])
+            self.readyJson = self.readyJson.replace("_fceventname_", key).replace("_fceventbody_", value)
+
+        # FusionCharts Render method will create chart
+        self.readyJson = self.readyJson + FusionCharts.renderTemplate.replace('__chartId__', self.constructorOptions['id'])
+        self.readyJson = FusionCharts.baseTemplate.replace("__FC__", self.readyJson)
+
+        self.readyJson = self.readyJson.replace('\\n', '')
+        self.readyJson = self.readyJson.replace('\\t', '')
+
+        if(self.constructorOptions['dataFormat'] == 'json'):
+            self.readyJson = self.readyJson.replace('\\', '')
+            self.readyJson = self.readyJson.replace('"{', "{")
+            self.readyJson = self.readyJson.replace('}"', "}")
+
+        return self.readyJson
\ No newline at end of file

pyprevention/dashboard/migrations/0009_data.py

+# Generated by Django 2.1.2 on 2018-11-25 15:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0008_auto_20181030_0828'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Data',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('timestamp', models.DateField()),
+                ('value', models.IntegerField()),
+            ],
+        ),
+    ]

pyprevention/dashboard/migrations/0010_auto_20181125_1626.py

+# Generated by Django 2.1.2 on 2018-11-25 16:26
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0009_data'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='data',
+            name='timestamp',
+            field=models.DateTimeField(),
+        ),
+    ]

pyprevention/dashboard/migrations/0011_auto_20181125_2042.py

+# Generated by Django 2.1.2 on 2018-11-25 20:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0010_auto_20181125_1626'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='data',
+            name='timestamp',
+            field=models.CharField(max_length=300),
+        ),
+    ]