Use named queries and helper methods

db/common.go

@@ -17,3 +17,15 @@ func Connect(params string) (err error) {
 	conn.Mapper = reflectx.NewMapperFunc("json", strings.ToLower)
 	return
 }
+
+func mustExecN(query string, arg interface{}) {
+	if _, err := conn.NamedExec(query, arg); err != nil {
+		panic(err)
+	}
+}
+
+func mustSelect(dest interface{}, query string, args ...interface{}) {
+	if err := conn.Select(dest, query, args...); err != nil {
+		panic(err)
+	}
+}

db/contrib.go

@@ -12,10 +12,10 @@ type Contrib struct {
 
 const saveContribQuery = `
 insert into contributions (week, author, owner, repo, commits, additions, deletions)
-values (?, ?, ?, ?, ?, ?, ?)
+values (:week, :author, :owner, :repo, :commits, :additions, :deletions)
 on duplicate key update
 commits=values(commits), additions=values(additions), deletions=values(deletions)`
 
 func (c *Contrib) Save() {
-	conn.MustExec(saveContribQuery, c.Week, c.Author, c.Owner, c.Repo, c.Commits, c.Additions, c.Deletions)
+	mustExecN(saveContribQuery, c)
 }

db/org.go

@@ -10,8 +10,6 @@ type Org struct {
 const userOrgsQuery = `select o.* from members m join orgs o on o.login = m.org where user = ?`
 
 func UserOrgs(login string) (orgs []*Org) {
-	if err := conn.Select(&orgs, userOrgsQuery, login); err != nil {
-		panic(err)
-	}
+	mustSelect(&orgs, userOrgsQuery, login)
 	return
 }

db/repo.go

@@ -16,17 +16,15 @@ type Repo struct {
 const orgReposQuery = `select * from repos where owner = ?`
 const saveRepoQuery = `
 insert into repos (owner, name, updated_at)
-values (?, ?, now())
+values (:owner, :name, now())
 on duplicate key update
 updated_at=now()`
 
 func (r *Repo) Save() {
-	conn.MustExec(saveRepoQuery, r.Owner, r.Name)
+	mustExecN(saveRepoQuery, r)
 }
 
 func OrgRepos(login string) (repos []*Repo) {
-	if err := conn.Select(&repos, orgReposQuery, login); err != nil {
-		panic(err)
-	}
+	mustSelect(&repos, orgReposQuery, login)
 	return
 }

db/team.go

@@ -9,8 +9,6 @@ type Team struct {
 const orgTeamsQuery = `select * from teams where owner = ?`
 
 func OrgTeams(login string) (teams []*Team) {
-	if err := conn.Select(&teams, orgTeamsQuery, login); err != nil {
-		panic(err)
-	}
+	mustSelect(&teams, orgTeamsQuery, login)
 	return
 }

db/token.go

@@ -16,10 +16,10 @@ type Token struct {
 
 const saveTokenQuery = `
 insert into tokens (user, token, quota, remaining, reset_at, created_at)
-values (?, ?, ?, ?, ?, now())
+values (:user, :token, :quota, :remaining, :reset_at, now())
 on duplicate key update
 quota = values(quota), remaining = values(remaining), reset_at = values(reset_at)`
 
 func (t *Token) Save() {
-	conn.MustExec(saveTokenQuery, t.User, t.Token, t.Quota, t.Remaining, t.ResetAt)
+	mustExecN(saveTokenQuery, t)
 }

db/user.go

@@ -9,10 +9,10 @@ type User struct {
 
 const saveUserQuery = `
 insert into users (login, name, id, avatar_url)
-values (?, ?, ?, ?)
+values (:login, :name, :id, :avatar_url)
 on duplicate key update
 login=values(login), name=values(name), avatar_url=values(avatar_url)`
 
 func (u *User) Save() {
-	conn.MustExec(saveUserQuery, u.Login, u.Name, u.ID, u.AvatarURL)
+	mustExecN(saveUserQuery, u)
 }