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commenter_get.go
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commenter_get.go
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package main
var commentersRowColumns string = `
commenters.commenterHex,
commenters.email,
commenters.name,
commenters.link,
commenters.photo,
commenters.provider,
commenters.joinDate
`
func commentersRowScan(s sqlScanner, c *commenter) error {
return s.Scan(
&c.CommenterHex,
&c.Email,
&c.Name,
&c.Link,
&c.Photo,
&c.Provider,
&c.JoinDate,
)
}
func commenterGetByHex(commenterHex string) (commenter, error) {
if commenterHex == "" {
return commenter{}, errorMissingField
}
statement := `
SELECT ` + commentersRowColumns + `
FROM commenters
WHERE commenterHex = $1;
`
row := db.QueryRow(statement, commenterHex)
var c commenter
if err := commentersRowScan(row, &c); err != nil {
// TODO: is this the only error?
return commenter{}, errorNoSuchCommenter
}
return c, nil
}
func commenterGetByEmail(provider string, email string) (commenter, error) {
if provider == "" || email == "" {
return commenter{}, errorMissingField
}
statement := `
SELECT ` + commentersRowColumns + `
FROM commenters
WHERE email = $1 AND provider = $2;
`
row := db.QueryRow(statement, email, provider)
var c commenter
if err := commentersRowScan(row, &c); err != nil {
// TODO: is this the only error?
return commenter{}, errorNoSuchCommenter
}
return c, nil
}
func commenterGetByCommenterToken(commenterToken string) (commenter, error) {
if commenterToken == "" {
return commenter{}, errorMissingField
}
statement := `
SELECT ` + commentersRowColumns + `
FROM commenterSessions
JOIN commenters ON commenterSessions.commenterHex = commenters.commenterHex
WHERE commenterToken = $1;
`
row := db.QueryRow(statement, commenterToken)
var c commenter
if err := commentersRowScan(row, &c); err != nil {
// TODO: is this the only error?
return commenter{}, errorNoSuchToken
}
if c.CommenterHex == "none" {
return commenter{}, errorNoSuchToken
}
return c, nil
}