#4 mounting class wip

design/model.drawio

@@ -1 +1 @@
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+<mxfile host="Electron" modified="2019-11-29T00:28:38.560Z" agent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/12.2.2 Chrome/78.0.3904.94 Electron/7.1.0 Safari/537.36" etag="3aCQOQgYCiBAgm2DXe4j" version="12.2.2" type="device" pages="1"><diagram id="4ATyxtASWGsD7okkcSDV" name="Seite-1">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</diagram></mxfile>

model-neu.v1.txt

@@ -0,0 +1,87 @@
+from django.db import models
+
+
+class BicycleType(models.Model):
+    name = models.CharField(max_length=100)
+
+    component = models.ManyToManyField
+
+    def __str__(self):
+        return str(self.name)
+
+
+# A bicycle has Component which are maintained
+class Bicycle(models.Model):
+    name = models.CharField(max_length=100)
+
+    bicycle_type = models.ForeignKey(BicycleType, on_delete=models.CASCADE)
+
+    def __str__(self):
+        return str(self.name)
+
+
+# A bicycle is structured into components. For instance front wheel, gear etc.
+class Component(models.Model):
+    name = models.CharField(max_length=100)
+
+    def __str__(self):
+        return str(self.name)
+
+
+# Parts of a component. For instance front wheel: tube, tire, left spokes.
+# This is a simplified model of the real world. There is no position within a part, e.g. spokes(1)
+class Part(models.Model):
+    name = models.CharField(max_length=100)
+
+    component = models.ForeignKey(Component, on_delete=models.CASCADE)
+
+    def display_long_name(self):
+        return "{}/{}".format(self.component.name, self.name)
+
+    def __str__(self):
+        return "{}/{}".format(str(self.component.name), str(self.name))
+
+    # Point in time of a bycicle to record its data
+
+
+class Record(models.Model):
+    date = models.DateField()
+    km = models.DecimalField(max_digits=10, decimal_places=0, )
+
+    bicycle = models.ForeignKey(Bicycle, on_delete=models.CASCADE)
+
+    def __str__(self):
+        return "{} {}".format(str(self.date), str(self.bicycle.name))
+
+
+# A material is a physically part of a bicycle. It can be installed at removed, but it must not be used, e.g. when a
+# new tube is bought, it has yet no relation to an bicyle.
+class Material(models.Model):
+    name = models.CharField(max_length=100)
+
+    manufacture = models.CharField(max_length=100)
+    size = models.CharField(max_length=100, blank=True, null=True)
+    price = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True)
+    weight = models.DecimalField(max_digits=10, decimal_places=3, name="Weight [g]", blank=True, null=True)
+
+    def __str__(self):
+        return str(self.name)
+
+
+class Mounting(models.Model):
+
+    material = models.ForeignKey(Material, related_name="material", on_delete=models.CASCADE, blank=True,
+                                     null=True)
+
+    mount_record = models.ForeignKey(Record, related_name="mount_record", on_delete=models.CASCADE, blank=True,
+                                     null=True)
+
+    part = models.ForeignKey(Part, on_delete=models.CASCADE, blank=True, null=True)
+
+    # Optional
+    dismount_record = models.ForeignKey(Record, related_name="dismount_record", on_delete=models.CASCADE, blank=True,
+                                        null=True)
+
+    def __str__(self):
+        return "{} {}".format(str(self.material.name), str(self.mount_record.date))
+

myequis/admin.py

@@ -1,37 +1,54 @@
 from django.contrib import admin
 
-from .models import Component
+from .models import Component, Mounting, Species
 from .models import Part
 from .models import Bicycle
 from .models import Record
 from .models import Material
-#from .models import Mounting
+
+
+class ComponentInline(admin.TabularInline):
+    model = Component
+    extra = 1
+    ordering = ["name"]
+
 
 class RecordInline(admin.TabularInline):
     model = Record
     extra = 1
     ordering = ["-date"]
 
+
 class BicycleAdmin(admin.ModelAdmin):
     inlines = [RecordInline]
     ordering = ["name"]
 
-admin.site.register(Bicycle, BicycleAdmin)
+
+class SpeciesAdmin(admin.ModelAdmin):
+    inlines = [ComponentInline]
+    ordering = ["name"]
 
 
 class PartInline(admin.TabularInline):
     model = Part
     extra = 3
-
+
+
 class ComponentAdmin(admin.ModelAdmin):
     inlines = [PartInline]
     ordering = ["name"]
-
-admin.site.register(Component, ComponentAdmin)
+
 
 class MaterialAdmin(admin.ModelAdmin):
-    list_display =('name', 'manufactor', 'size', 'mounted_in_bicycle')
-
-admin.site.register(Material, MaterialAdmin)
+    list_display = ('name', 'manufacture', 'size',)
+
 
+class MountingAdmin(admin.ModelAdmin):
+    ordering = ["mount_record__date"]
 
+
+admin.site.register(Bicycle, BicycleAdmin)
+admin.site.register(Species, SpeciesAdmin)
+admin.site.register(Component, ComponentAdmin)
+admin.site.register(Material, MaterialAdmin)
+admin.site.register(Mounting, MountingAdmin)

myequis/migrations/0017_auto_20190928_2228.py → myequis/migrations/0017_auto_20191127_0701.py

@@ -1,4 +1,4 @@
-# Generated by Django 2.2.5 on 2019-09-28 22:28
+# Generated by Django 2.2.6 on 2019-11-27 07:01
 
 from django.db import migrations
 
@@ -10,6 +10,11 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
+        migrations.RenameField(
+            model_name='material',
+            old_name='manufactor',
+            new_name='manufacture',
+        ),
         migrations.RenameField(
             model_name='record',
             old_name='KM',

myequis/migrations/0018_bicycletype.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.6 on 2019-11-27 07:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0017_auto_20191127_0701'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BicycleType',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+            ],
+        ),
+    ]

myequis/migrations/0019_bicycle_bicycle_type.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.6 on 2019-11-27 07:17
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0018_bicycletype'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='bicycle',
+            name='bicycle_type',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, to='myequis.BicycleType'),
+            preserve_default=False,
+        ),
+    ]

myequis/migrations/0020_bicycletype_component.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.6 on 2019-11-27 07:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0019_bicycle_bicycle_type'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='bicycletype',
+            name='component',
+            field=models.ManyToManyField(to='myequis.Component'),
+        ),
+    ]

myequis/migrations/0021_auto_20191127_1651.py

@@ -0,0 +1,36 @@
+# Generated by Django 2.2.6 on 2019-11-27 16:51
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0020_bicycletype_component'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='material',
+            name='dismount_record',
+        ),
+        migrations.RemoveField(
+            model_name='material',
+            name='mount_record',
+        ),
+        migrations.RemoveField(
+            model_name='material',
+            name='part',
+        ),
+        migrations.CreateModel(
+            name='Mounting',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('dismount_record', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='dismount_record', to='myequis.Record')),
+                ('material', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='material', to='myequis.Material')),
+                ('mount_record', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='mount_record', to='myequis.Record')),
+                ('part', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='myequis.Part')),
+            ],
+        ),
+    ]

myequis/migrations/0022_auto_20191127_1702.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.2.6 on 2019-11-27 17:02
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0021_auto_20191127_1651'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='bicycletype',
+            name='component',
+        ),
+        migrations.AddField(
+            model_name='component',
+            name='bicycle_type',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, to='myequis.BicycleType'),
+            preserve_default=False,
+        ),
+    ]

myequis/migrations/0023_auto_20191127_1714.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.6 on 2019-11-27 17:14
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0022_auto_20191127_1702'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='bicycle',
+            old_name='bicycle_type',
+            new_name='type',
+        ),
+    ]

myequis/migrations/0024_auto_20191127_1717.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.6 on 2019-11-27 17:17
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myequis', '0023_auto_20191127_1714'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='component',
+            old_name='bicycle_type',
+            new_name='type',
+        ),
+    ]

myequis/migrations/0025_auto_20191127_1722.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2.6 on 2019-11-27 17:22
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    atomic = False 
+    dependencies = [
+        ('myequis', '0024_auto_20191127_1717'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='BicycleType',
+            new_name='Species',
+        ),
+    ]

myequis/migrations/0026_auto_20191127_1723.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.6 on 2019-11-27 17:23
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    atomic = False 
+    dependencies = [
+        ('myequis', '0025_auto_20191127_1722'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='Species',
+            new_name='BicycleType',
+        ),
+    ]

myequis/migrations/0027_auto_20191127_1727.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2.6 on 2019-11-27 17:27
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    atomic = False 
+    dependencies = [
+        ('myequis', '0026_auto_20191127_1723'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='BicycleType',
+            new_name='Species',
+        ),
+    ]