From 77d78b9023106cedd81703a1c6735e9109f631bb Mon Sep 17 00:00:00 2001
From: hellekin <hellekin@cepheide.org>
Date: Tue, 6 Oct 2020 16:17:44 +0200
Subject: Add Resource model

Resources will be stored as JSON, in the (GeoJSON) :feature column.
They are assigned an UUID upon creation if they don't comme with one.
They belong to an Agent.
---
 Gemfile                                       |  2 ++
 Gemfile.lock                                  |  3 +++
 app/models/agent.rb                           |  1 +
 app/models/resource.rb                        |  6 ++++++
 db/migrate/20201006140511_create_resources.rb | 13 +++++++++++++
 db/schema.rb                                  | 10 +++++++++-
 6 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 app/models/resource.rb
 create mode 100644 db/migrate/20201006140511_create_resources.rb

diff --git a/Gemfile b/Gemfile
index bccedcf..2d5228b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -28,6 +28,8 @@ gem 'jbuilder', '~> 2.7'
 gem 'bitfields'
 # Use Discourse API
 gem 'discourse_api'
+# Enforce stable UUIDs for models
+gem 'uuid_parameter', '~> 0.2.5'
 
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.2', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 224b6dc..7a464f2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,6 +178,8 @@ GEM
     turbolinks-source (5.2.0)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
+    uuid_parameter (0.2.6)
+      rails (>= 5.2.1)
     web-console (4.0.4)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -213,6 +215,7 @@ DEPENDENCIES
   spring-watcher-listen (~> 2.0.0)
   turbolinks (~> 5)
   tzinfo-data
+  uuid_parameter (~> 0.2.5)
   web-console (>= 3.3.0)
   webpacker (~> 4.0)
 
diff --git a/app/models/agent.rb b/app/models/agent.rb
index bb33c1b..07e0b8e 100644
--- a/app/models/agent.rb
+++ b/app/models/agent.rb
@@ -1,4 +1,5 @@
 class Agent < ApplicationRecord
   has_many :agencies
   has_many :members, through: :agencies, source: :user
+  has_many :resources
 end
diff --git a/app/models/resource.rb b/app/models/resource.rb
new file mode 100644
index 0000000..ba3dd1f
--- /dev/null
+++ b/app/models/resource.rb
@@ -0,0 +1,6 @@
+class Resource < ApplicationRecord
+  # Universally Unique Identifier :uuid
+  include UUIDParameter
+
+  belongs_to :agent
+end
diff --git a/db/migrate/20201006140511_create_resources.rb b/db/migrate/20201006140511_create_resources.rb
new file mode 100644
index 0000000..761d5bc
--- /dev/null
+++ b/db/migrate/20201006140511_create_resources.rb
@@ -0,0 +1,13 @@
+class CreateResources < ActiveRecord::Migration[6.0]
+  def change
+    create_table :resources do |t|
+      t.uuid :uuid
+      t.jsonb :feature
+      t.references :agent, null: false, foreign_key: true
+
+      t.timestamps
+    end
+    add_index :resources, [:uuid], unique: true
+    add_index :resources, [:agent_id]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index ef4f4cd..8433cd9 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_10_05_155004) do
+ActiveRecord::Schema.define(version: 2020_10_06_140511) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -34,6 +34,14 @@ ActiveRecord::Schema.define(version: 2020_10_05_155004) do
     t.index ["uuid"], name: "index_agents_on_uuid", unique: true
   end
 
+  create_table "resources", force: :cascade do |t|
+    t.uuid "uuid"
+    t.jsonb "feature"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["uuid"], name: "index_resources_on_uuid", unique: true
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "name"
     t.string "username"
-- 
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