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thunk.xo.go
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thunk.xo.go
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package models
// Code generated by xo. DO NOT EDIT.
import (
"context"
)
// Thunk represents a row from 'thunks'.
type Thunk struct {
Digest string `json:"digest"` // digest
JSON []byte `json:"json"` // json
// xo fields
_exists, _deleted bool
}
// Exists returns true when the Thunk exists in the database.
func (t *Thunk) Exists() bool {
return t._exists
}
// Deleted returns true when the Thunk has been marked for deletion from
// the database.
func (t *Thunk) Deleted() bool {
return t._deleted
}
// Insert inserts the Thunk to the database.
func (t *Thunk) Insert(ctx context.Context, db DB) error {
switch {
case t._exists: // already exists
return logerror(&ErrInsertFailed{ErrAlreadyExists})
case t._deleted: // deleted
return logerror(&ErrInsertFailed{ErrMarkedForDeletion})
}
// insert (manual)
const sqlstr = `INSERT INTO thunks (` +
`digest, json` +
`) VALUES (` +
`$1, $2` +
`)`
// run
logf(sqlstr, t.Digest, t.JSON)
if _, err := db.ExecContext(ctx, sqlstr, t.Digest, t.JSON); err != nil {
return logerror(err)
}
// set exists
t._exists = true
return nil
}
// Update updates a Thunk in the database.
func (t *Thunk) Update(ctx context.Context, db DB) error {
switch {
case !t._exists: // doesn't exist
return logerror(&ErrUpdateFailed{ErrDoesNotExist})
case t._deleted: // deleted
return logerror(&ErrUpdateFailed{ErrMarkedForDeletion})
}
// update with primary key
const sqlstr = `UPDATE thunks SET ` +
`json = $1 ` +
`WHERE digest = $2`
// run
logf(sqlstr, t.JSON, t.Digest)
if _, err := db.ExecContext(ctx, sqlstr, t.JSON, t.Digest); err != nil {
return logerror(err)
}
return nil
}
// Save saves the Thunk to the database.
func (t *Thunk) Save(ctx context.Context, db DB) error {
if t.Exists() {
return t.Update(ctx, db)
}
return t.Insert(ctx, db)
}
// Upsert performs an upsert for Thunk.
func (t *Thunk) Upsert(ctx context.Context, db DB) error {
switch {
case t._deleted: // deleted
return logerror(&ErrUpsertFailed{ErrMarkedForDeletion})
}
// upsert
const sqlstr = `INSERT INTO thunks (` +
`digest, json` +
`) VALUES (` +
`$1, $2` +
`)` +
` ON CONFLICT (digest) DO ` +
`UPDATE SET ` +
`json = EXCLUDED.json `
// run
logf(sqlstr, t.Digest, t.JSON)
if _, err := db.ExecContext(ctx, sqlstr, t.Digest, t.JSON); err != nil {
return logerror(err)
}
// set exists
t._exists = true
return nil
}
// Delete deletes the Thunk from the database.
func (t *Thunk) Delete(ctx context.Context, db DB) error {
switch {
case !t._exists: // doesn't exist
return nil
case t._deleted: // deleted
return nil
}
// delete with single primary key
const sqlstr = `DELETE FROM thunks ` +
`WHERE digest = $1`
// run
logf(sqlstr, t.Digest)
if _, err := db.ExecContext(ctx, sqlstr, t.Digest); err != nil {
return logerror(err)
}
// set deleted
t._deleted = true
return nil
}
// ThunkByDigest retrieves a row from 'thunks' as a Thunk.
//
// Generated from index 'sqlite_autoindex_thunks_1'.
func ThunkByDigest(ctx context.Context, db DB, digest string) (*Thunk, error) {
// query
const sqlstr = `SELECT ` +
`digest, json ` +
`FROM thunks ` +
`WHERE digest = $1`
// run
logf(sqlstr, digest)
t := Thunk{
_exists: true,
}
if err := db.QueryRowContext(ctx, sqlstr, digest).Scan(&t.Digest, &t.JSON); err != nil {
return nil, logerror(err)
}
return &t, nil
}