Merge pull request #511 from cbdr/bugfix/AR-66-Broken-Pagination-Headers

AR-66: Broken Pagination Headers

Author: Alex Tharp

Gemfile

@@ -15,9 +15,9 @@ gem 'cortex-exceptions', '= 0.0.4'
 gem 'cortex-plugins-core', '= 0.12.4'
 
 # API
-gem 'grape', '~> 0.17'
-gem 'grape-entity', '~> 0.6.0'
-gem 'grape-swagger', '~> 0.27.1'
+gem 'grape', '~> 0.19.2'
+gem 'grape-entity', '~> 0.6.1'
+gem 'grape-swagger', '~> 0.27.2'
 
 # Authorization
 gem 'six', '~> 0.2.0'
@@ -36,7 +36,7 @@ gem 'image_optim_pack', '~> 0.4.0'
 gem 'acts-as-taggable-on', '~> 4.0'
 gem 'bcrypt', '~> 3.1.11'
 gem 'kaminari', '~> 0.17.0'
-gem 'grape-kaminari', git: 'https://github.com/toastercup/grape-kaminari.git', branch: 'set-paginate-headers-extraction'
+gem 'grape-kaminari', '~> 0.1.9'
 gem 'elasticsearch-model', '~> 5.0'
 gem 'elasticsearch-rails', '~> 5.0'
 gem 'paranoia', '~> 2.3'

Gemfile.lock

@@ -5,15 +5,6 @@ GIT
     awesome_nested_set (3.1.2)
       activerecord (>= 4.0.0, < 5.1)
 
-GIT
-  remote: https://github.com/toastercup/grape-kaminari.git
-  revision: 661388050eaa97f70006b74fe300e19760b8a132
-  branch: set-paginate-headers-extraction
-  specs:
-    grape-kaminari (0.1.9)
-      grape
-      kaminari
-
 GIT
   remote: https://github.com/triloch/rails-observers.git
   revision: ea30390cb07b4a37dd2f9d03966c89c1372f9dbe
@@ -251,7 +242,10 @@ GEM
     grape-entity (0.6.1)
       activesupport (>= 5.0.0)
       multi_json (>= 1.3.2)
-    grape-swagger (0.27.1)
+    grape-kaminari (0.1.9)
+      grape
+      kaminari
+    grape-swagger (0.27.2)
       grape (>= 0.16.2)
     guard (2.14.1)
       formatador (>= 0.2.4)
@@ -640,10 +634,10 @@ DEPENDENCIES
   font-awesome-sass (~> 4.7.0)
   foreman
   gon (~> 6.1.0)
-  grape (~> 0.17)
-  grape-entity (~> 0.6.0)
-  grape-kaminari!
-  grape-swagger (~> 0.27.1)
+  grape (~> 0.19.2)
+  grape-entity (~> 0.6.1)
+  grape-kaminari (~> 0.1.9)
+  grape-swagger (~> 0.27.2)
   guard-jasmine (~> 2.1)
   guard-rspec (~> 4.7)
   haml (~> 5.0)

app/api/v1/resources/media.rb

@@ -20,8 +20,7 @@ class Media < Grape::API
           require_scope! 'view:media'
 
           @media = ::GetMultipleMedia.call(params: declared(clean_params(params), include_missing: false), tenant: current_tenant).media
-          set_paginate_headers(@media)
-          ::V1::Entities::Media.represent @media.to_a
+          ::V1::Entities::Media.represent paginate(@media).records
         end
 
         desc 'Show media tags'

app/api/v1/resources/posts.rb

@@ -20,8 +20,7 @@ class Posts < Grape::API
           require_scope! 'view:posts'
           authorize! :view, ::Post
           @posts = ::GetPosts.call(params: declared(clean_params(params), include_missing: false), tenant: current_tenant).posts
-          set_paginate_headers(@posts)
-          ::V1::Entities::Post.represent @posts.to_a
+          ::V1::Entities::Post.represent paginate(@posts).records
         end
 
         desc 'Show published posts', { entity: ::V1::Entities::Post, nickname: "postFeed" }
@@ -37,13 +36,14 @@ class Posts < Grape::API
           params_hash     = Digest::MD5.hexdigest(declared(params).to_s)
           cache_key       = "feed-#{last_updated_at}-#{current_tenant.id}-#{params_hash}"
 
-          posts_page = ::Rails.cache.fetch(cache_key, expires_in: 30.minutes, race_condition_ttl: 10) do
+          posts = ::Rails.cache.fetch(cache_key, expires_in: 30.minutes, race_condition_ttl: 10) do
             posts = ::GetPosts.call(params: declared(clean_params(params), include_missing: false), tenant: current_tenant, published: true).posts
-            set_paginate_headers(posts)
-            ::V1::Entities::Post.represent posts.to_a
+            paginated_posts = paginate(posts).records.to_a
+            {records: paginated_posts, headers: header}
           end
 
-          posts_page
+          header.merge!(posts[:headers])
+          ::V1::Entities::Post.represent posts[:records]
         end
 
         desc 'Show all published posts', { entity: ::V1::Entities::Post, nickname: "allPostFeed" }
@@ -53,7 +53,7 @@ class Posts < Grape::API
           authorize! :view, ::Post
 
           posts = ::GetPosts.call(params: declared(clean_params(params), include_missing: false), tenant: current_tenant, published: true).posts
-          posts_page = ::V1::Entities::Post.represent posts.to_a
+          ::V1::Entities::Post.represent paginate(posts).records
         end
 
         desc 'Show published post authors'
@@ -70,8 +70,7 @@ class Posts < Grape::API
           authorize! :view, post
 
           @posts = ::GetRelatedPosts.call(post: post, params: declared(clean_params(params), include_missing: false), tenant: current_tenant, published: true).posts
-          set_paginate_headers(@posts)
-          ::V1::Entities::Post.represent @posts.to_a
+          ::V1::Entities::Post.represent paginate(@posts).records
         end
 
         desc 'Show a published post', { entity: ::V1::Entities::Post, nickname: "showFeedPost" }

app/api/v1/resources/tenants.rb

@@ -82,8 +82,7 @@ class Tenants < Grape::API
               require_scope! 'view:users'
 
               @users = ::GetUsers.call(params: declared(clean_params(params), include_missing: false), tenant_id: params[:id]).users
-              set_paginate_headers(@users)
-              ::V1::Entities::User.represent @users, full: true
+              ::V1::Entities::User.represent paginate(@users).records, full: true
             end
           end
         end

app/api/v1/resources/webpages.rb

@@ -17,8 +17,7 @@ class Webpages < Grape::API
           require_scope! 'view:webpages'
 
           @webpages = ::GetWebpages.call(params: declared(clean_params(params), include_missing: false), tenant: current_tenant).webpages
-          set_paginate_headers(@webpages)
-          ::V1::Entities::Webpage.represent @webpages.to_a, full: true
+          ::V1::Entities::Webpage.represent paginate(@webpages).records, full: true
         end
 
         desc 'Show Webpage Snippets as public feed by URL', { entity: ::V1::Entities::Webpage, nickname: 'showWebpageFeed' }

app/interactors/get_multiple_media.rb

@@ -12,8 +12,7 @@ def call
       media = media.show_all(context.tenant)
     end
 
-    media = media.page(context.params.page).per(context.params.per_page)
-    context.media = media.records
+    context.media = media
   end
 
   private

app/interactors/get_posts.rb

@@ -12,8 +12,7 @@ def call
       posts = posts.show_all(context.tenant, context.published)
     end
 
-    posts = posts.page(context.params.page).per(context.params.per_page)
-    context.posts = posts.records
+    context.posts = posts
   end
 
   private

app/interactors/get_related_posts.rb

@@ -4,6 +4,6 @@ class GetRelatedPosts
   def call
     related = context.post.related(context.tenant, context.published)
 
-    context.posts = related.page(context.params.page).per(context.params.per_page).records
+    context.posts = related
   end
 end

app/interactors/get_users.rb

@@ -12,8 +12,7 @@ def call
       users = users.show_all(context.tenant_id)
     end
 
-    users = users.page(context.params.page).per(context.params.per_page)
-    context.users = users.records
+    context.users = users
   end
 
   private