Finish the download manager page

src/mangadex/downloader.cr

@@ -140,12 +140,37 @@ module MangaDex
 			self.count - start_count
 		end
 
-		def delete(job : Job)
+		def reset(id : String)
 			DB.open "sqlite3://#{@path}" do |db|
-				db.exec "delete from queue where id = (?)", job.id
+				db.exec "update queue set status = 0, status_message = '', " \
+					"pages = 0, success_count = 0, fail_count = 0 " \
+					"where id = (?)", id
 			end
 		end
 
+		def reset (job : Job)
+			self.reset job.id
+		end
+
+		# Reset all failed tasks (missing pages and error)
+		def reset
+			DB.open "sqlite3://#{@path}" do |db|
+				db.exec "update queue set status = 0, status_message = '', " \
+					"pages = 0, success_count = 0, fail_count = 0 " \
+					"where status = 2 or status = 4"
+			end
+		end
+
+		def delete(id : String)
+			DB.open "sqlite3://#{@path}" do |db|
+				db.exec "delete from queue where id = (?)", id
+			end
+		end
+
+		def delete(job : Job)
+			self.delete job.id
+		end
+
 		def get(job : Job)
 			DB.open "sqlite3://#{@path}" do |db|
 				db.query_one "select * from queue where id = (?)", id do |res|

src/routes/api.cr

@@ -131,5 +131,56 @@ class APIRouter < Router
 			jobs = @context.queue.get_all
 			send_json env, jobs.to_json
 		end
+
+		post "/api/admin/mangadex/queue/delete/:id" do |env|
+			begin
+				id = env.params.url["id"]
+				@context.queue.delete id
+				send_json env, {"success" => true}.to_json
+			rescue e
+				send_json env, {
+					"success" => false,
+					"error" => e.message
+				}.to_json
+			end
+		end
+
+		# Delete all completed tasks from the queue
+		post "/api/admin/mangadex/queue/delete" do |env|
+			begin
+				@context.queue.delete_status MangaDex::JobStatus::Completed
+				send_json env, {"success" => true}.to_json
+			rescue e
+				send_json env, {
+					"success" => false,
+					"error" => e.message
+				}.to_json
+			end
+		end
+
+		post "/api/admin/mangadex/queue/retry/:id" do |env|
+			begin
+				id = env.params.url["id"]
+				@context.queue.reset id
+				send_json env, {"success" => true}.to_json
+			rescue e
+				send_json env, {
+					"success" => false,
+					"error" => e.message
+				}.to_json
+			end
+		end
+
+		post "/api/admin/mangadex/queue/retry" do |env|
+			begin
+				@context.queue.reset
+				send_json env, {"success" => true}.to_json
+			rescue e
+				send_json env, {
+					"success" => false,
+					"error" => e.message
+				}.to_json
+			end
+		end
 	end
 end

src/views/download-manager.ecr

@@ -1,12 +1,11 @@
 <div class="uk-margin">
 	<div id="actions" class="uk-margin">
-		<button class="uk-button uk-button-default">Delete Completed Tasks</button>
-		<button class="uk-button uk-button-default">Retry Failed Tasks</button>
-		<button class="uk-button uk-button-default">Refresh Queue</button>
+		<button class="uk-button uk-button-default" onclick="remove()">Delete Completed Tasks</button>
+		<button class="uk-button uk-button-default" onclick="refresh()">Retry Failed Tasks</button>
+		<button class="uk-button uk-button-default" onclick="load()">Refresh Queue</button>
 	</div>
 	<div id="config" class="uk-margin">
-		<label class="uk-margin-right"><input class="uk-checkbox" type="checkbox"> Auto Delete Completed Tasks</label>
-		<label><input class="uk-checkbox" type="checkbox" checked> Auto Refresh</label>
+		<label><input id="auto-refresh" class="uk-checkbox" type="checkbox" checked> Auto Refresh</label>
 	</div>
 </div>
 <table class="uk-table uk-table-striped uk-overflow-auto">