BaseContext

Controllers refactoring with contexts
Move commit compare logic to model

app/contexts/base_context.rb

+class BaseContext
+  attr_accessor :project, :current_user, :params
+
+  def initialize(project, user, params)
+    @project, @current_user, @params = project, user, params.dup
+  end
+end
+

app/contexts/commit_load.rb

+class CommitLoad < BaseContext
+  def execute
+    result = { 
+      :commit => nil,
+      :suppress_diff => false,
+      :line_notes => [],
+      :notes_count => 0,
+      :note => nil
+    }
+
+    commit = project.commit(params[:id])
+
+    if commit 
+      commit = CommitDecorator.decorate(commit)
+      line_notes = project.commit_line_notes(commit)
+
+      result[:suppress_diff] = true if commit.diffs.size > 200 && !params[:force_show_diff]
+      result[:commit] = commit
+      result[:note] = project.build_commit_note(commit)
+      result[:line_notes] = line_notes
+      result[:notes_count] = line_notes.count + project.commit_notes(commit).count
+    end
+
+    result
+  end
+end

app/contexts/merge_requests_load.rb

+class MergeRequestsLoad < BaseContext
+  def execute
+    type = params[:f].to_i
+
+    merge_requests = project.merge_requests
+
+    merge_requests = case type
+                     when 1 then merge_requests
+                     when 2 then merge_requests.closed
+                     when 3 then merge_requests.opened.assigned(current_user)
+                     else merge_requests.opened
+                     end.page(params[:page]).per(20)
+
+    merge_requests.includes(:author, :project).order("closed, created_at desc")
+  end
+end

app/contexts/notes_load.rb

+class NotesLoad < BaseContext
+  def execute
+    target_type = params[:target_type]
+    target_id   = params[:target_id]
+    first_id    = params[:first_id]
+    last_id     = params[:last_id]
+
+
+    @notes = case target_type
+             when "commit" 
+               then project.commit_notes(project.commit(target_id)).fresh.limit(20)
+             when "snippet"
+               then  project.snippets.find(target_id).notes
+             when "wall"
+               then project.common_notes.order("created_at DESC").fresh.limit(50)
+             when "issue"
+               then project.issues.find(target_id).notes.inc_author.order("created_at DESC").limit(20)
+             when "merge_request"
+               then project.merge_requests.find(target_id).notes.inc_author.order("created_at DESC").limit(20)
+             end
+
+    @notes = if last_id
+               @notes.where("id > ?", last_id)
+             elsif first_id
+               @notes.where("id < ?", first_id)
+             else 
+               @notes
+             end
+  end
+end

app/controllers/commits_controller.rb

@@ -26,43 +26,31 @@ class CommitsController < ApplicationController
   end
   def show
-    @commit = project.commit(params[:id])
-
-    git_not_found! and return unless @commit
-
-    @commit = CommitDecorator.decorate(@commit)
-
-    @note = @project.build_commit_note(@commit)
-    @comments_allowed = true
-    @line_notes = project.commit_line_notes(@commit)
-
-    @notes_count = @line_notes.count + project.commit_notes(@commit).count
-
-    if @commit.diffs.size > 200 && !params[:force_show_diff]
-      @suppress_diff = true 
+    result = CommitLoad.new(project, current_user, params).execute
+
+    @commit = result[:commit]
+
+    if @commit
+      @suppress_diff = result[:suppress_diff]
+      @note          = result[:note]
+      @line_notes    = result[:line_notes]
+      @notes_count   = result[:notes_count]
+      @comments_allowed = true
+    else
+      return git_not_found!
     end
+
   rescue Grit::Git::GitTimeout
     render "huge_commit"
   end
   def compare
-    first = project.commit(params[:to].try(:strip))
-    last = project.commit(params[:from].try(:strip))
-    @diffs = []
-    @commits = []
+    result = Commit.compare(project, params[:from], params[:to])
+    @commits = result[:commits]
+    @commit  = result[:commit]
+    @diffs   = result[:diffs]
     @line_notes = []
-
-    if first && last
-      commits = [first, last].sort_by(&:created_at)
-      younger = commits.first
-      older = commits.last
-
-
-      @commits = project.repo.commits_between(younger.id, older.id).map {|c| Commit.new(c)}
-      @diffs = project.repo.diff(younger.id, older.id) rescue []
-      @commit = Commit.new(older)
-    end
   end
   def patch

app/controllers/dashboard_controller.rb

@@ -2,11 +2,8 @@ class DashboardController < ApplicationController
   respond_to :html
   def index
-    @projects = current_user.projects.includes(:events).order("events.created_at DESC")
-    @projects = @projects.page(params[:page]).per(40)
-
-    @events = Event.where(:project_id => current_user.projects.map(&:id)).recent.limit(20)
-
+    @projects = current_user.projects_with_events.page(params[:page]).per(40)
+    @events = Event.recent_for_user(current_user).limit(20)
     @last_push = current_user.recent_push
     respond_to do |format|

app/controllers/merge_requests_controller.rb

@@ -24,16 +24,7 @@ class MergeRequestsController < ApplicationController
   def index
-    @merge_requests = @project.merge_requests
-
-    @merge_requests = case params[:f].to_i
-                      when 1 then @merge_requests
-                      when 2 then @merge_requests.closed
-                      when 3 then @merge_requests.opened.assigned(current_user)
-                      else @merge_requests.opened
-                      end.page(params[:page]).per(20)
-
-    @merge_requests = @merge_requests.includes(:author, :project).order("closed, created_at desc")
+    @merge_requests = MergeRequestsLoad.new(project, current_user, params).execute
   end
   def show

app/controllers/notes_controller.rb

@@ -40,25 +40,6 @@ class NotesController < ApplicationController
   protected 
   def notes
-    @notes = case params[:target_type]
-             when "commit" 
-               then project.commit_notes(project.commit((params[:target_id]))).fresh.limit(20)
-             when "snippet"
-               then  project.snippets.find(params[:target_id]).notes
-             when "wall"
-               then project.common_notes.order("created_at DESC").fresh.limit(50)
-             when "issue"
-               then project.issues.find(params[:target_id]).notes.inc_author.order("created_at DESC").limit(20)
-             when "merge_request"
-               then project.merge_requests.find(params[:target_id]).notes.inc_author.order("created_at DESC").limit(20)
-             end
-
-    @notes = if params[:last_id]
-               @notes.where("id > ?", params[:last_id])
-             elsif params[:first_id]
-               @notes.where("id < ?", params[:first_id])
-             else 
-               @notes
-             end
+    @notes = NotesLoad.new(project, current_user, params).execute
   end
 end

app/models/commit.rb

@@ -80,6 +80,29 @@ class Commit
     def commits_between(repo, from, to)
       repo.commits_between(from, to).map { |c| Commit.new(c) }
     end
+
+    def compare(project, from, to)
+      first = project.commit(to.try(:strip))
+      last = project.commit(from.try(:strip))
+
+      result = { 
+        :commits => [],
+        :diffs => [],
+        :commit => nil
+      }
+
+      if first && last
+        commits = [first, last].sort_by(&:created_at)
+        younger = commits.first
+        older = commits.last
+
+        result[:commits] = project.repo.commits_between(younger.id, older.id).map {|c| Commit.new(c)}
+        result[:diffs] = project.repo.diff(younger.id, older.id) rescue []
+        result[:commit] = Commit.new(older)
+      end
+
+      result
+    end
   end
   def persisted?

app/models/event.rb

@@ -28,6 +28,10 @@ class Event < ActiveRecord::Base
     end
   end
+  def self.recent_for_user user
+    where(:project_id => user.projects.map(&:id)).recent
+  end
+
   # Next events currently enabled for system
   #  - push 
   #  - new issue

app/roles/account.rb

@@ -55,4 +55,8 @@ module Account
     # Take only latest one
     events = events.recent.limit(1).first
   end
+
+  def projects_with_events
+    projects.includes(:events).order("events.created_at DESC")
+  end
 end