rrs: add maintenance plans

The MaintenancePlan will provide some context for the RRS records so we
can effectively enable RRS functionality only on certain layers where we
want it. You can also consider the maintenance of multiple layers
together under a single plan if desired.

Here we add just the MaintenancePlan and the corresponding migration;
a non-null link from the Release requires a separate migration and thus
that will be done in a separate commit.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

rrs/admin.py

@@ -9,7 +9,18 @@ from django.contrib.admin import DateFieldListFilter
 
 from rrs.models import Release, Milestone, Maintainer, RecipeMaintainerHistory, \
         RecipeMaintainer, RecipeDistro, RecipeUpgrade, RecipeUpstream, \
-        RecipeUpstreamHistory
+        RecipeUpstreamHistory, MaintenancePlan, MaintenancePlanLayerBranch
+
+class MaintenancePlanLayerBranchInline(admin.StackedInline):
+    model = MaintenancePlanLayerBranch
+    min_num = 1
+    extra = 0
+
+class MaintenancePlanAdmin(admin.ModelAdmin):
+    model = MaintenancePlan
+    inlines = [
+        MaintenancePlanLayerBranchInline,
+    ]
 
 class ReleaseAdmin(admin.ModelAdmin):
     search_fields = ['name']
@@ -58,6 +69,7 @@ class RecipeUpstreamAdmin(admin.ModelAdmin):
             'type', ('date', DateFieldListFilter), 'history']
     model = RecipeUpstream
 
+admin.site.register(MaintenancePlan, MaintenancePlanAdmin)
 admin.site.register(Release, ReleaseAdmin)
 admin.site.register(Milestone, MilestoneAdmin)
 admin.site.register(Maintainer, MaintainerAdmin)

rrs/migrations/0002_maintenanceplan.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('layerindex', '0010_add_dependencies'),
+        ('rrs', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MaintenancePlan',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', primary_key=True, serialize=False, auto_created=True)),
+                ('name', models.CharField(max_length=50, unique=True)),
+                ('description', models.TextField(blank=True)),
+                ('updates_enabled', models.BooleanField(verbose_name='Enable updates', default=True, help_text='Enable automatically updating metadata for this plan via the update scripts')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='MaintenancePlanLayerBranch',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', primary_key=True, serialize=False, auto_created=True)),
+                ('layerbranch', models.ForeignKey(to='layerindex.LayerBranch')),
+                ('plan', models.ForeignKey(to='rrs.MaintenancePlan')),
+            ],
+            options={'verbose_name_plural': 'Maintenance plan layer branches'},
+        ),
+    ]

rrs/models.py

@@ -12,7 +12,23 @@ sys.path.insert(0, os.path.realpath(os.path.join(os.path.dirname(__file__), '../
 from datetime import date
 
 from django.db import models
-from layerindex.models import Recipe
+from layerindex.models import Recipe, LayerBranch
+
+
+class MaintenancePlan(models.Model):
+    name = models.CharField(max_length=50, unique=True)
+    description = models.TextField(blank=True)
+    updates_enabled = models.BooleanField('Enable updates', default=True, help_text='Enable automatically updating metadata for this plan via the update scripts')
+
+    def __str__(self):
+        return '%s' % (self.name)
+
+class MaintenancePlanLayerBranch(models.Model):
+    plan = models.ForeignKey(MaintenancePlan)
+    layerbranch = models.ForeignKey(LayerBranch)
+
+    class Meta:
+        verbose_name_plural = "Maintenance plan layer branches"
 
 class Release(models.Model):
     name = models.CharField(max_length=100, unique=True)