Merge pull request #3933 from AntonKhorev/api-changesets-limit

[rails.git] / app / controllers / traces_controller.rb

diff --git a/app/controllers/traces_controller.rb b/app/controllers/traces_controller.rb
index 741819f65a167c3c8a149955f0d742f19a343a47..4f263e9b27b3ed0ed8fcd9359d5c583dc0be6db5 100644 (file)
--- a/app/controllers/traces_controller.rb
+++ b/app/controllers/traces_controller.rb
@@ -28,7 +28,7 @@ class TracesController < ApplicationController
     @title = if target_user.nil?
                t ".public_traces"
              elsif current_user && current_user == target_user
-               t ".my_traces"
+               t ".my_gps_traces"
              else
                t ".public_traces_from", :user => target_user.display_name
              end
@@ -40,39 +40,43 @@ class TracesController < ApplicationController
     # 2 - all traces, not logged in = all public traces
     # 3 - user's traces, logged in as same user = all user's traces
     # 4 - user's traces, not logged in as that user = all user's public traces
-    @traces = if target_user.nil? # all traces
-                if current_user
-                  Trace.visible_to(current_user) # 1
-                else
-                  Trace.visible_to_all # 2
-                end
-              elsif current_user && current_user == target_user
-                current_user.traces # 3 (check vs user id, so no join + can't pick up non-public traces by changing name)
-              else
-                target_user.traces.visible_to_all # 4
-              end
+    traces = if target_user.nil? # all traces
+               if current_user
+                 Trace.visible_to(current_user) # 1
+               else
+                 Trace.visible_to_all # 2
+               end
+             elsif current_user && current_user == target_user
+               current_user.traces # 3 (check vs user id, so no join + can't pick up non-public traces by changing name)
+             else
+               target_user.traces.visible_to_all # 4
+             end
 
-    @traces = @traces.tagged(params[:tag]) if params[:tag]
+    traces = traces.tagged(params[:tag]) if params[:tag]
 
-    @params = params.permit(:display_name, :tag)
+    traces = traces.visible
 
-    @page = (params[:page] || 1).to_i
-    @page_size = 20
+    @params = params.permit(:display_name, :tag, :before, :after)
 
-    @traces = @traces.visible
-    @traces = @traces.order(:id => :desc)
-    @traces = @traces.offset((@page - 1) * @page_size)
-    @traces = @traces.limit(@page_size)
+    @traces = if params[:before]
+                traces.where("id < ?", params[:before]).order(:id => :desc)
+              elsif params[:after]
+                traces.where("id > ?", params[:after]).order(:id => :asc)
+              else
+                traces.order(:id => :desc)
+              end
+
+    @traces = @traces.limit(20)
     @traces = @traces.includes(:user, :tags)
+    @traces = @traces.sort.reverse
+
+    @newer_traces = @traces.count.positive? && traces.exists?(["gpx_files.id > ?", @traces.first.id])
+    @older_traces = @traces.count.positive? && traces.exists?(["gpx_files.id < ?", @traces.last.id])
 
     # final helper vars for view
     @target_user = target_user
   end
 
-  def mine
-    redirect_to :action => :index, :display_name => current_user.display_name
-  end
-
   def show
     @trace = Trace.find(params[:id])
 
@@ -93,6 +97,20 @@ class TracesController < ApplicationController
     @trace = Trace.new(:visibility => default_visibility)
   end
 
+  def edit
+    @trace = Trace.find(params[:id])
+
+    if !@trace.visible?
+      head :not_found
+    elsif current_user.nil? || @trace.user != current_user
+      head :forbidden
+    else
+      @title = t ".title", :name => @trace.name
+    end
+  rescue ActiveRecord::RecordNotFound
+    head :not_found
+  end
+
   def create
     @title = t ".upload_trace"
 
@@ -109,7 +127,7 @@ class TracesController < ApplicationController
         TraceImporterJob.perform_later(@trace)
         redirect_to :action => :index, :display_name => current_user.display_name
       else
-        flash[:error] = t("traces.create.upload_failed") if @trace.valid?
+        flash[:error] = t(".upload_failed") if @trace.valid?
 
         render :action => "new"
       end
@@ -127,42 +145,6 @@ class TracesController < ApplicationController
     end
   end
 
-  def data
-    trace = Trace.find(params[:id])
-
-    if trace.visible? && (trace.public? || (current_user && current_user == trace.user))
-      if Acl.no_trace_download(request.remote_ip)
-        head :forbidden
-      elsif request.format == Mime[:xml]
-        send_data(trace.xml_file.read, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
-      elsif request.format == Mime[:gpx]
-        send_data(trace.xml_file.read, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => "attachment")
-      elsif trace.file.attached?
-        redirect_to rails_blob_path(trace.file, :disposition => "attachment")
-      else
-        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => "attachment")
-      end
-    else
-      head :not_found
-    end
-  rescue ActiveRecord::RecordNotFound
-    head :not_found
-  end
-
-  def edit
-    @trace = Trace.find(params[:id])
-
-    if !@trace.visible?
-      head :not_found
-    elsif current_user.nil? || @trace.user != current_user
-      head :forbidden
-    else
-      @title = t ".title", :name => @trace.name
-    end
-  rescue ActiveRecord::RecordNotFound
-    head :not_found
-  end
-
   def update
     @trace = Trace.find(params[:id])
 
@@ -199,6 +181,32 @@ class TracesController < ApplicationController
     head :not_found
   end
 
+  def mine
+    redirect_to :action => :index, :display_name => current_user.display_name
+  end
+
+  def data
+    trace = Trace.find(params[:id])
+
+    if trace.visible? && (trace.public? || (current_user && current_user == trace.user))
+      if Acl.no_trace_download(request.remote_ip)
+        head :forbidden
+      elsif request.format == Mime[:xml]
+        send_data(trace.xml_file.read, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+      elsif request.format == Mime[:gpx]
+        send_data(trace.xml_file.read, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => "attachment")
+      elsif trace.file.attached?
+        redirect_to rails_blob_path(trace.file, :disposition => "attachment")
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => "attachment")
+      end
+    else
+      head :not_found
+    end
+  rescue ActiveRecord::RecordNotFound
+    head :not_found
+  end
+
   def georss
     @traces = Trace.visible_to_all.visible