simplify comment.v

Author: medvednikov

src/comment_routes.v renamed to src/comment.v

@@ -1,36 +1,64 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by a GPL license that can be found in the LICENSE file.
 module main
 
 import vweb
 import validation
+import time
+
+struct Comment {
+mut:
+	id         int    [primary; sql: serial]
+	author_id  int
+	issue_id   int
+	created_at int
+	text       string
+}
 
 ['/:username/:repo_name/comments'; post]
 pub fn (mut app App) handle_add_comment(username string, repo_name string) vweb.Result {
 	repo := app.find_repo_by_name_and_username(repo_name, username)
-
 	if repo.id == 0 {
 		return app.not_found()
 	}
-
 	text := app.form['text']
 	issue_id := app.form['issue_id']
-
 	is_text_empty := validation.is_string_empty(text)
 	is_issue_id_empty := validation.is_string_empty(issue_id)
-
 	if is_text_empty || is_issue_id_empty || !app.logged_in {
 		app.error('Issue comment is not valid')
-
 		return app.issue(username, repo_name, issue_id)
 	}
-
 	app.add_issue_comment(app.user.id, issue_id.int(), text) or {
 		app.error('There was an error while inserting the comment')
-
 		return app.issue(username, repo_name, issue_id)
 	}
-
 	// TODO: count comments
 	app.increment_issue_comments(issue_id.int()) or { app.info(err.str()) }
-
 	return app.redirect('/${username}/${repo_name}/issue/${issue_id}')
 }
+
+fn (mut app App) add_issue_comment(author_id int, issue_id int, text string) ! {
+	comment := Comment{
+		author_id: author_id
+		issue_id: issue_id
+		created_at: int(time.now().unix)
+		text: text
+	}
+
+	sql app.db {
+		insert comment into Comment
+	}!
+}
+
+fn (mut app App) get_all_issue_comments(issue_id int) []Comment {
+	comments := sql app.db {
+		select from Comment where issue_id == issue_id
+	} or { []Comment{} }
+
+	return comments
+}
+
+fn (c Comment) relative() string {
+	return time.unix(c.created_at).relative()
+}