db: added BuildLog & required methods

src/db/db.v

@@ -12,6 +12,7 @@ pub fn init(db_path string) ?VieterDb {
 
 	sql conn {
 		create table GitRepo
+		create table BuildLog
 	}
 
 	return VieterDb{

src/db/git.v

@@ -94,7 +94,7 @@ pub fn (db &VieterDb) get_git_repo(repo_id int) ?GitRepo {
 	// If a select statement fails, it returns a zeroed object. By
 	// checking one of the required fields, we can see whether the query
 	// returned a result or not.
-	if res.url == '' {
+	if res.id == 0 {
 		return none
 	}
 

src/db/logs.v

@@ -0,0 +1,47 @@
+module db
+
+import time
+
+pub struct BuildLog {
+	id         int       [primary; sql: serial]
+	repo       GitRepo   [nonull]
+	start_time time.Time [nonull]
+	end_time   time.Time [nonull]
+	exit_code  int       [nonull]
+}
+
+// get_build_logs returns all BuildLog's in the database.
+pub fn (db &VieterDb) get_build_logs() []BuildLog {
+	res := sql db.conn {
+		select from BuildLog order by id
+	}
+
+	return res
+}
+
+// get_build_log tries to return a specific BuildLog.
+pub fn (db &VieterDb) get_build_log(id int) ?BuildLog {
+	res := sql db.conn {
+		select from BuildLog where id == id
+	}
+
+	if res.id == 0 {
+		return none
+	}
+
+	return res
+}
+
+// add_build_log inserts the given BuildLog into the database.
+pub fn (db &VieterDb) add_build_log(log BuildLog) {
+	sql db.conn {
+		insert log into BuildLog
+	}
+}
+
+// delete_build_log delete the BuildLog with the given ID from the database.
+pub fn (db &VieterDb) delete_build_log(id int) {
+	sql db.conn {
+		delete from BuildLog where id == id
+	}
+}