Set up API endpoint for setting display names

src/library.cr

@@ -15,12 +15,12 @@ struct Image
 end
 
 class Entry
-	property zip_path : String, book_title : String, title : String,
+	property zip_path : String, book : Title, title : String,
 		size : String, pages : Int32, cover_url : String, id : String,
 		title_id : String, encoded_path : String, encoded_title : String,
 		mtime : Time
 
-	def initialize(path, @book_title, @title_id, storage)
+	def initialize(path, @book, @title_id, storage)
 		@zip_path = path
 		@encoded_path = URI.encode path
 		@title = File.basename path, File.extname path
@@ -41,11 +41,11 @@ class Entry
 
 	def to_json(json : JSON::Builder)
 		json.object do
-			{% for str in ["zip_path", "book_title", "title", "size",
-				"cover_url", "id", "title_id", "encoded_path",
-				"encoded_title"] %}
+			{% for str in ["zip_path", "title", "size", "cover_url", "id",
+					"title_id", "encoded_path", "encoded_title"] %}
 				json.field {{str}}, @{{str.id}}
 			{% end %}
+			json.field "display_name", @book.display_name @title
 			json.field "pages" {json.number @pages}
 			json.field "mtime" {json.number @mtime.to_unix}
 		end
@@ -80,14 +80,14 @@ class Title
 		entries : Array(Entry), title : String, id : String,
 		encoded_title : String, mtime : Time
 
-	def initialize(dir : String, @parent_id, storage,
+	def initialize(@dir : String, @parent_id, storage,
 				   @logger : MLogger, @library : Library)
-		@dir = dir
 		@id = storage.get_id @dir, true
 		@title = File.basename dir
 		@encoded_title = URI.encode @title
 		@title_ids = [] of String
 		@entries = [] of Entry
+		@mtime = File.info(dir).modification_time
 
 		Dir.entries(dir).each do |fn|
 			next if fn.starts_with? "."
@@ -101,11 +101,16 @@ class Title
 			end
 			if [".zip", ".cbz"].includes? File.extname path
 				next if !valid_zip path
-				entry = Entry.new path, @title, @id, storage
+				entry = Entry.new path, self, @id, storage
 				@entries << entry if entry.pages > 0
 			end
 		end
 
+		mtimes = [@mtime]
+		mtimes += @title_ids.map{|e| @library.title_hash[e].mtime}
+		mtimes += @entries.map{|e| e.mtime}
+		@mtime = mtimes.max
+
 		@title_ids.sort! do |a, b|
 			compare_alphanumerically @library.title_hash[a].title,
 				@library.title_hash[b].title
@@ -113,11 +118,6 @@ class Title
 		@entries.sort! do |a, b|
 			compare_alphanumerically a.title, b.title
 		end
-
-		mtimes = [File.info(dir).modification_time]
-		mtimes += @title_ids.map{|e| @library.title_hash[e].mtime}
-		mtimes += @entries.map{|e| e.mtime}
-		@mtime = mtimes.max
 	end
 
 	def to_json(json : JSON::Builder)
@@ -125,6 +125,7 @@ class Title
 			{% for str in ["dir", "title", "id", "encoded_title"] %}
 				json.field {{str}}, @{{str.id}}
 			{% end %}
+			json.field "display_name", display_name
 			json.field "mtime" {json.number @mtime.to_unix}
 			json.field "titles" do
 				json.raw self.titles.to_json
@@ -179,21 +180,51 @@ class Title
 			return false
 		end
 	end
+
 	def get_entry(eid)
 		@entries.find { |e| e.id == eid }
 	end
+
+	def display_name
+		info = TitleInfo.new @dir
+		dn = info.display_name
+		dn.empty? ? @title : dn
+	end
+
+	def display_name(entry_name)
+		info = TitleInfo.new @dir
+		dn = info.entry_display_name[entry_name]?
+		unless dn.nil? || dn.empty?
+			return dn
+		end
+		entry_name
+	end
+
+	def set_display_name(dn)
+		info = TitleInfo.new @dir
+		info.display_name = dn
+		info.save
+	end
+
+	def set_display_name(entry_name : String, dn)
+		info = TitleInfo.new @dir
+		info.entry_display_name[entry_name] = dn
+		info.save
+	end
+
 	# For backward backward compatibility with v0.1.0, we save entry titles
 	#	instead of IDs in info.json
 	def save_progress(username, entry, page)
 		info = TitleInfo.new @dir
 		if info.progress[username]?.nil?
 			info.progress[username] = {entry => page}
-			info.save @dir
+			info.save
 			return
 		end
 		info.progress[username][entry] = page
-		info.save @dir
+		info.save
 	end
+
 	def load_progress(username, entry)
 		info = TitleInfo.new @dir
 		if info.progress[username]?.nil?
@@ -204,6 +235,7 @@ class Title
 		end
 		info.progress[username][entry]
 	end
+
 	def load_percetage(username, entry)
 		info = TitleInfo.new @dir
 		page = load_progress username, entry
@@ -211,6 +243,7 @@ class Title
 		return 0.0 if entry_obj.nil?
 		page / entry_obj.pages
 	end
+
 	def load_percetage(username)
 		return 0.0 if @entries.empty?
 		read_pages = total_pages = 0
@@ -220,6 +253,7 @@ class Title
 		end
 		read_pages / total_pages
 	end
+
 	def next_entry(current_entry_obj)
 		idx = @entries.index current_entry_obj
 		return nil if idx.nil? || idx == @entries.size - 1
@@ -228,26 +262,30 @@ class Title
 end
 
 class TitleInfo
-	# { user1: { entry1: 10, entry2: 0 } }
 	include JSON::Serializable
 
 	property comment = "Generated by Mango. DO NOT EDIT!"
-	property progress : Hash(String, Hash(String, Int32))
+	# { user1: { entry1: 10, entry2: 0 } }
+	property progress = {} of String => Hash(String, Int32)
+	property display_name = ""
+	# { entry1 : "display name" }
+	property entry_display_name = {} of String => String
 
-	def initialize(title_dir)
-		info = nil
+	@[JSON::Field(ignore: true)]
+	property dir : String = ""
 
-		json_path = File.join title_dir, "info.json"
+	def initialize(@dir)
+		json_path = File.join @dir, "info.json"
 		if File.exists? json_path
 			info = TitleInfo.from_json File.read json_path
-		else
-			info = TitleInfo.from_json "{\"progress\": {}}"
+			@progress = info.progress.clone
+			@display_name = info.display_name
+			@entry_display_name = info.entry_display_name.clone
+		end
 	end
 
-		@progress = info.progress.clone
-	end
-	def save(title_dir)
-		json_path = File.join title_dir, "info.json"
+	def save
+		json_path = File.join @dir, "info.json"
 		File.write json_path, self.to_pretty_json
 	end
 end

src/routes/api.cr

@@ -90,6 +90,29 @@ class APIRouter < Router
 			end
 		end
 
+		post "/api/admin/display_name/:title/:name" do |env|
+			begin
+				title = (@context.library.get_title env.params.url["title"])
+					.not_nil!
+				entry = title.get_entry env.params.query["entry"]?
+				name = env.params.url["name"]
+
+				if entry.nil?
+					title.set_display_name name
+				else
+					title.set_display_name entry.title, name
+				end
+			rescue e
+				@context.error e
+				send_json env, {
+					"success" => false,
+					"error" => e.message
+				}.to_json
+			else
+				send_json env, {"success" => true}.to_json
+			end
+		end
+
 		get "/api/admin/mangadex/manga/:id" do |env|
 			begin
 				id = env.params.url["id"]