FeedVersion: filter calendar dates

app/controllers/api/v1/feed_versions_controller.rb

@@ -59,6 +59,24 @@ def index
       @feed_versions = @feed_versions.where(sha1: sha1s)
     end
 
+    if params[:calendar_coverage_begins_at_or_before].present?
+      @feed_versions = @feed_versions.where_calendar_coverage_begins_at_or_before(
+        params[:calendar_coverage_begins_at_or_before]
+      )
+    end
+
+    if params[:calendar_coverage_begins_at_or_after].present?
+      @feed_versions = @feed_versions.where_calendar_coverage_begins_at_or_after(
+        params[:calendar_coverage_begins_at_or_after]
+      )
+    end
+
+    if params[:calendar_coverage_includes].present?
+      @feed_versions = @feed_versions.where_calendar_coverage_includes(
+        params[:calendar_coverage_includes]
+      )
+    end
+
     if params[:feed_onestop_id].present?
       feed_onestop_ids = params[:feed_onestop_id].split(',')
       @feed_versions = @feed_versions.where(feed: Feed.where(onestop_id: feed_onestop_ids))

app/models/feed_version.rb

@@ -23,7 +23,9 @@
 #
 # Indexes
 #
-#  index_feed_versions_on_feed_type_and_feed_id  (feed_type,feed_id)
+#  index_feed_versions_on_earliest_calendar_date  (earliest_calendar_date)
+#  index_feed_versions_on_feed_type_and_feed_id   (feed_type,feed_id)
+#  index_feed_versions_on_latest_calendar_date    (latest_calendar_date)
 #
 
 class FeedVersion < ActiveRecord::Base
@@ -50,6 +52,22 @@ class FeedVersion < ActiveRecord::Base
     joins('INNER JOIN current_feeds ON feed_versions.id = current_feeds.active_feed_version_id')
   }
 
+  scope :where_calendar_coverage_begins_at_or_before, -> (date) {
+    date = date.is_a?(Date) ? date : Date.parse(date)
+    where('earliest_calendar_date <= ?', date)
+  }
+
+  scope :where_calendar_coverage_begins_at_or_after, -> (date) {
+    date = date.is_a?(Date) ? date : Date.parse(date)
+    where('earliest_calendar_date >= ?', date)
+  }
+
+  scope :where_calendar_coverage_includes, -> (date) {
+    date = date.is_a?(Date) ? date : Date.parse(date)
+    where('earliest_calendar_date <= ?', date)
+      .where('latest_calendar_date >= ?', date)
+  }
+
   def succeeded(timestamp)
     self.update(imported_at: timestamp)
     self.feed.update(last_imported_at: self.imported_at)

app/serializers/feed_version_serializer.rb

@@ -23,7 +23,9 @@
 #
 # Indexes
 #
-#  index_feed_versions_on_feed_type_and_feed_id  (feed_type,feed_id)
+#  index_feed_versions_on_earliest_calendar_date  (earliest_calendar_date)
+#  index_feed_versions_on_feed_type_and_feed_id   (feed_type,feed_id)
+#  index_feed_versions_on_latest_calendar_date    (latest_calendar_date)
 #
 
 class FeedVersionSerializer < ApplicationSerializer

db/migrate/20161129205145_add_calendar_indexes_to_feed_versions.rb

@@ -0,0 +1,6 @@
+class AddCalendarIndexesToFeedVersions < ActiveRecord::Migration
+  def change
+    add_index :feed_versions, :earliest_calendar_date
+    add_index :feed_versions, :latest_calendar_date
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161103231227) do
+ActiveRecord::Schema.define(version: 20161129205145) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -304,6 +304,7 @@
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer  "feed_version_id"
+    t.string   "gtfs_id"
   end
 
   add_index "entities_imported_from_feed", ["entity_type", "entity_id"], name: "index_entities_imported_from_feed_on_entity_type_and_entity_id", using: :btree
@@ -365,7 +366,9 @@
     t.string   "md5_raw"
   end
 
+  add_index "feed_versions", ["earliest_calendar_date"], name: "index_feed_versions_on_earliest_calendar_date", using: :btree
   add_index "feed_versions", ["feed_type", "feed_id"], name: "index_feed_versions_on_feed_type_and_feed_id", using: :btree
+  add_index "feed_versions", ["latest_calendar_date"], name: "index_feed_versions_on_latest_calendar_date", using: :btree
 
   create_table "issues", force: :cascade do |t|
     t.integer  "created_by_changeset_id"

spec/controllers/api/v1/feed_versions_controller_spec.rb

@@ -14,6 +14,33 @@
       })
     end
 
+    it 'calendar_coverage_begins_at_or_before' do
+      fv1 = create(:feed_version, earliest_calendar_date: '2016-01-01', latest_calendar_date: '2017-01-01')
+      fv2 = create(:feed_version, earliest_calendar_date: '2016-02-01', latest_calendar_date: '2017-02-01')
+      get :index, calendar_coverage_begins_at_or_before: '2016-01-01'
+      expect_json({feed_versions: -> (feed_versions) {
+        expect(feed_versions.map { |fv| fv[:sha1]}).to match_array([fv1.sha1])
+      }})
+    end
+
+    it 'calendar_coverage_begins_at_or_after' do
+      fv1 = create(:feed_version, earliest_calendar_date: '2016-01-01', latest_calendar_date: '2017-01-01')
+      fv2 = create(:feed_version, earliest_calendar_date: '2016-02-01', latest_calendar_date: '2017-02-01')
+      get :index, calendar_coverage_begins_at_or_after: '2016-02-01'
+      expect_json({feed_versions: -> (feed_versions) {
+        expect(feed_versions.map { |fv| fv[:sha1]}).to match_array([fv2.sha1])
+      }})
+    end
+
+    it 'calendar_coverage_includes' do
+      fv1 = create(:feed_version, earliest_calendar_date: '2016-01-01', latest_calendar_date: '2017-01-01')
+      fv2 = create(:feed_version, earliest_calendar_date: '2016-02-01', latest_calendar_date: '2017-02-01')
+      get :index, calendar_coverage_includes: '2017-01-15'
+      expect_json({feed_versions: -> (feed_versions) {
+        expect(feed_versions.map { |fv| fv[:sha1]}).to match_array([fv2.sha1])
+      }})
+    end
+
     it 'filters by SHA1 hash' do
       create_list(:feed_version, 2)
       sha1 = FeedVersion.first.sha1

spec/factories/feed_version_factory.rb

@@ -23,7 +23,9 @@
 #
 # Indexes
 #
-#  index_feed_versions_on_feed_type_and_feed_id  (feed_type,feed_id)
+#  index_feed_versions_on_earliest_calendar_date  (earliest_calendar_date)
+#  index_feed_versions_on_feed_type_and_feed_id   (feed_type,feed_id)
+#  index_feed_versions_on_latest_calendar_date    (latest_calendar_date)
 #
 
 FactoryGirl.define do

spec/models/feed_version_spec.rb

@@ -23,10 +23,56 @@
 #
 # Indexes
 #
-#  index_feed_versions_on_feed_type_and_feed_id  (feed_type,feed_id)
+#  index_feed_versions_on_earliest_calendar_date  (earliest_calendar_date)
+#  index_feed_versions_on_feed_type_and_feed_id   (feed_type,feed_id)
+#  index_feed_versions_on_latest_calendar_date    (latest_calendar_date)
 #
 
 describe FeedVersion do
+  context 'calendar scopes' do
+    before(:each) do
+      @fv1 = create(:feed_version, earliest_calendar_date: '2016-01-01', latest_calendar_date: '2017-01-01')
+      @fv2 = create(:feed_version, earliest_calendar_date: '2016-02-01', latest_calendar_date: '2017-02-01')
+      @fv3 = create(:feed_version, earliest_calendar_date: '2016-03-01', latest_calendar_date: '2017-03-01')
+    end
+
+    context '.where_calendar_coverage_begins_at_or_before' do
+      it 'finds FeedVersions with coverage before a date' do
+        expect(FeedVersion.where_calendar_coverage_begins_at_or_before('2016-04-15')).to match_array([@fv1, @fv2, @fv3])
+      end
+      it 'finds FeedVersions with coverage on or before a date' do
+        expect(FeedVersion.where_calendar_coverage_begins_at_or_before('2016-02-01')).to match_array([@fv1, @fv2])
+      end
+      it 'finds FeedVersions with coverage on a date' do
+        expect(FeedVersion.where_calendar_coverage_begins_at_or_before('2016-01-01')).to match_array([@fv1])
+      end
+    end
+
+    context '.where_calendar_coverage_begins_at_or_after' do
+      it 'finds FeedVersions with coverage after a date' do
+        expect(FeedVersion.where_calendar_coverage_begins_at_or_after('2015-12-01')).to match_array([@fv1, @fv2, @fv3])
+      end
+      it 'finds FeedVersions with coverage on or after a date' do
+        expect(FeedVersion.where_calendar_coverage_begins_at_or_after('2016-02-01')).to match_array([@fv2, @fv3])
+      end
+      it 'finds FeedVersions with coverage on a date' do
+        expect(FeedVersion.where_calendar_coverage_begins_at_or_after('2016-03-01')).to match_array([@fv3])
+      end
+    end
+
+    context '.where_calendar_coverage_includes' do
+      it 'finds FeedVersions with coverage including a date' do
+        expect(FeedVersion.where_calendar_coverage_includes('2016-04-01')).to match_array([@fv1, @fv2, @fv3])
+      end
+      it 'finds FeedVersions with coverage including, inclusive' do
+        expect(FeedVersion.where_calendar_coverage_includes('2016-02-01')).to match_array([@fv1, @fv2])
+      end
+      it 'excludes FeedVersions outside coverage range' do
+        expect(FeedVersion.where_calendar_coverage_includes('2017-01-15')).to match_array([@fv2, @fv3])
+      end
+    end
+  end
+
   context '#compute_and_set_hashes' do
     it 'computes file hashes' do
       feed_version = create(:feed_version_bart)