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db.go
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db.go
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package user
import (
"context"
"fmt"
"github.com/jackc/pgtype"
"github.com/leg100/otf/internal/logr"
"github.com/leg100/otf/internal/sql"
"github.com/leg100/otf/internal/sql/pggen"
"github.com/leg100/otf/internal/team"
)
// dbresult represents the result of a database query for a user.
type dbresult struct {
UserID pgtype.Text `json:"user_id"`
Username pgtype.Text `json:"username"`
CreatedAt pgtype.Timestamptz `json:"created_at"`
UpdatedAt pgtype.Timestamptz `json:"updated_at"`
SiteAdmin pgtype.Bool `json:"site_admin"`
Teams []pggen.Teams `json:"teams"`
}
func (result dbresult) toUser() *User {
user := User{
ID: result.UserID.String,
CreatedAt: result.CreatedAt.Time.UTC(),
UpdatedAt: result.UpdatedAt.Time.UTC(),
Username: result.Username.String,
SiteAdmin: result.SiteAdmin.Bool,
}
for _, tr := range result.Teams {
user.Teams = append(user.Teams, team.TeamRow(tr).ToTeam())
}
return &user
}
// pgdb stores user resources in a postgres database
type pgdb struct {
*sql.DB // provides access to generated SQL queries
logr.Logger
}
// CreateUser persists a User to the DB.
func (db *pgdb) CreateUser(ctx context.Context, user *User) error {
return db.Tx(ctx, func(ctx context.Context, q pggen.Querier) error {
_, err := q.InsertUser(ctx, pggen.InsertUserParams{
ID: sql.String(user.ID),
Username: sql.String(user.Username),
CreatedAt: sql.Timestamptz(user.CreatedAt),
UpdatedAt: sql.Timestamptz(user.UpdatedAt),
})
if err != nil {
return sql.Error(err)
}
for _, team := range user.Teams {
_, err = q.InsertTeamMembership(ctx, []string{user.Username}, sql.String(team.ID))
if err != nil {
return sql.Error(err)
}
}
return nil
})
}
func (db *pgdb) listUsers(ctx context.Context) ([]*User, error) {
result, err := db.Conn(ctx).FindUsers(ctx)
if err != nil {
return nil, err
}
users := make([]*User, len(result))
for i, r := range result {
users[i] = dbresult(r).toUser()
}
return users, nil
}
func (db *pgdb) listOrganizationUsers(ctx context.Context, organization string) ([]*User, error) {
result, err := db.Conn(ctx).FindUsersByOrganization(ctx, sql.String(organization))
if err != nil {
return nil, err
}
users := make([]*User, len(result))
for i, r := range result {
users[i] = dbresult(r).toUser()
}
return users, nil
}
func (db *pgdb) listTeamUsers(ctx context.Context, teamID string) ([]*User, error) {
result, err := db.Conn(ctx).FindUsersByTeamID(ctx, sql.String(teamID))
if err != nil {
return nil, err
}
items := make([]*User, len(result))
for i, r := range result {
items[i] = dbresult(r).toUser()
}
return items, nil
}
// getUser retrieves a user from the DB, along with its sessions.
func (db *pgdb) getUser(ctx context.Context, spec UserSpec) (*User, error) {
if spec.UserID != nil {
result, err := db.Conn(ctx).FindUserByID(ctx, sql.String(*spec.UserID))
if err != nil {
return nil, err
}
return dbresult(result).toUser(), nil
} else if spec.Username != nil {
result, err := db.Conn(ctx).FindUserByUsername(ctx, sql.String(*spec.Username))
if err != nil {
return nil, sql.Error(err)
}
return dbresult(result).toUser(), nil
} else if spec.AuthenticationTokenID != nil {
result, err := db.Conn(ctx).FindUserByAuthenticationTokenID(ctx, sql.String(*spec.AuthenticationTokenID))
if err != nil {
return nil, sql.Error(err)
}
return dbresult(result).toUser(), nil
} else {
return nil, fmt.Errorf("unsupported user spec for retrieving user")
}
}
func (db *pgdb) addTeamMembership(ctx context.Context, teamID string, usernames ...string) error {
_, err := db.Conn(ctx).InsertTeamMembership(ctx, usernames, sql.String(teamID))
if err != nil {
return sql.Error(err)
}
return nil
}
func (db *pgdb) removeTeamMembership(ctx context.Context, teamID string, usernames ...string) error {
_, err := db.Conn(ctx).DeleteTeamMembership(ctx, usernames, sql.String(teamID))
if err != nil {
return sql.Error(err)
}
return nil
}
// DeleteUser deletes a user from the DB.
func (db *pgdb) DeleteUser(ctx context.Context, spec UserSpec) error {
if spec.UserID != nil {
_, err := db.Conn(ctx).DeleteUserByID(ctx, sql.String(*spec.UserID))
if err != nil {
return sql.Error(err)
}
} else if spec.Username != nil {
_, err := db.Conn(ctx).DeleteUserByUsername(ctx, sql.String(*spec.Username))
if err != nil {
return sql.Error(err)
}
} else {
return fmt.Errorf("unsupported user spec for deletion")
}
return nil
}
// setSiteAdmins authoritatively promotes the given users to site admins,
// demoting all other site admins. The list of newly promoted and demoted users
// is returned.
func (db *pgdb) setSiteAdmins(ctx context.Context, usernames ...string) (promoted []string, demoted []string, err error) {
var resetted, updated []pgtype.Text
err = db.Tx(ctx, func(ctx context.Context, q pggen.Querier) (err error) {
// First demote any existing site admins...
resetted, err = q.ResetUserSiteAdmins(ctx)
if err != nil {
return err
}
// ...then promote any specified usernames
if len(usernames) > 0 {
updated, err = q.UpdateUserSiteAdmins(ctx, usernames)
if err != nil {
return err
}
}
return nil
})
if err != nil {
return nil, nil, err
}
return pgtextSliceDiff(updated, resetted), pgtextSliceDiff(resetted, updated), nil
}
// pgtextSliceDiff returns the elements in `a` that aren't in `b`.
func pgtextSliceDiff(a, b []pgtype.Text) []string {
mb := make(map[string]struct{}, len(b))
for _, x := range b {
mb[x.String] = struct{}{}
}
var diff []string
for _, x := range a {
if _, found := mb[x.String]; !found {
diff = append(diff, x.String)
}
}
return diff
}
//
// User tokens
//
func (db *pgdb) createUserToken(ctx context.Context, token *UserToken) error {
_, err := db.Conn(ctx).InsertToken(ctx, pggen.InsertTokenParams{
TokenID: sql.String(token.ID),
Description: sql.String(token.Description),
Username: sql.String(token.Username),
CreatedAt: sql.Timestamptz(token.CreatedAt),
})
return err
}
func (db *pgdb) listUserTokens(ctx context.Context, username string) ([]*UserToken, error) {
result, err := db.Conn(ctx).FindTokensByUsername(ctx, sql.String(username))
if err != nil {
return nil, err
}
tokens := make([]*UserToken, len(result))
for i, row := range result {
tokens[i] = &UserToken{
ID: row.TokenID.String,
CreatedAt: row.CreatedAt.Time.UTC(),
Description: row.Description.String,
Username: row.Username.String,
}
}
return tokens, nil
}
func (db *pgdb) getUserToken(ctx context.Context, id string) (*UserToken, error) {
row, err := db.Conn(ctx).FindTokenByID(ctx, sql.String(id))
if err != nil {
return nil, sql.Error(err)
}
return &UserToken{
ID: row.TokenID.String,
CreatedAt: row.CreatedAt.Time.UTC(),
Description: row.Description.String,
Username: row.Username.String,
}, nil
}
func (db *pgdb) deleteUserToken(ctx context.Context, id string) error {
_, err := db.Conn(ctx).DeleteTokenByID(ctx, sql.String(id))
if err != nil {
return sql.Error(err)
}
return nil
}