amy/amsterdam
1
0
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects Releases 3 Wiki Activity

all database operations now take a context.Context, which is propagated through from sources

Browse Source
This commit is contained in:
Amy G. Bowersox
2025-12-20 22:29:26 -07:00
parent 9e6bf2feda
commit 5c8bb8dd5e
39 changed files with 605 additions and 504 deletions
Download Patch File Download Diff File Expand all files Collapse all files
database/services.go
+34 -27
View File
@@ -10,6 +10,7 @@
package database
import (
"context"
_ "embed"
"slices"
"sync"
@@ -21,28 +22,28 @@ import (
// ServiceVTable is a serioes of functions called for services on specific events.
type ServiceVTable interface {
OnNewCommunity(*sqlx.Tx, *Community) error
OnDeleteCommunity(*sqlx.Tx, int32) error
OnUserJoinCommunity(*sqlx.Tx, *Community, *User) error
OnUserLeaveCommunity(*sqlx.Tx, *Community, *User) error
OnNewCommunity(context.Context, *sqlx.Tx, *Community) error
OnDeleteCommunity(context.Context, *sqlx.Tx, int32) error
OnUserJoinCommunity(context.Context, *sqlx.Tx, *Community, *User) error
OnUserLeaveCommunity(context.Context, *sqlx.Tx, *Community, *User) error
}
// emptyServiceVTable is a default ServiceVTable that does nothing.
type emptyServiceVTable struct{}
func (*emptyServiceVTable) OnNewCommunity(*sqlx.Tx, *Community) error {
func (*emptyServiceVTable) OnNewCommunity(context.Context, *sqlx.Tx, *Community) error {
return nil
}
func (*emptyServiceVTable) OnDeleteCommunity(*sqlx.Tx, int32) error {
func (*emptyServiceVTable) OnDeleteCommunity(context.Context, *sqlx.Tx, int32) error {
return nil
}
func (*emptyServiceVTable) OnUserJoinCommunity(*sqlx.Tx, *Community, *User) error {
func (*emptyServiceVTable) OnUserJoinCommunity(context.Context, *sqlx.Tx, *Community, *User) error {
return nil
}
func (*emptyServiceVTable) OnUserLeaveCommunity(*sqlx.Tx, *Community, *User) error {
func (*emptyServiceVTable) OnUserLeaveCommunity(context.Context, *sqlx.Tx, *Community, *User) error {
return nil
}
@@ -124,17 +125,18 @@ func init() {
/* AmGetCommunityServices returns all the community service definitions for a community.
* Parameters:
* ctx - Standard Go context value.
* cid - Community ID to get services for.
* Returns:
* Array of ServiceDef pointers for the community's services.
* Standard Go error status.
*/
func AmGetCommunityServices(cid int32) ([]*ServiceDef, error) {
func AmGetCommunityServices(ctx context.Context, cid int32) ([]*ServiceDef, error) {
servicesCacheMutex.Lock()
defer servicesCacheMutex.Unlock()
rc, ok := servicesCache.Get(cid)
if !ok {
rs, err := amdb.Query("SELECT ftr_code FROM commftrs WHERE commid = ?", cid)
rs, err := amdb.QueryContext(ctx, "SELECT ftr_code FROM commftrs WHERE commid = ?", cid)
if err != nil {
return nil, err
}
@@ -153,18 +155,19 @@ func AmGetCommunityServices(cid int32) ([]*ServiceDef, error) {
/* AmGetCommunityServices returns all the community service definitions for a community, using a transaction.
* Parameters:
* ctx - Standard Go context value.
* tx - Transaction to be used.
* cid - Community ID to get services for.
* Returns:
* Array of ServiceDef pointers for the community's services.
* Standard Go error status.
*/
func AmGetCommunityServicesTx(tx *sqlx.Tx, cid int32) ([]*ServiceDef, error) {
func AmGetCommunityServicesTx(ctx context.Context, tx *sqlx.Tx, cid int32) ([]*ServiceDef, error) {
servicesCacheMutex.Lock()
defer servicesCacheMutex.Unlock()
rc, ok := servicesCache.Get(cid)
if !ok {
rs, err := tx.Query("SELECT ftr_code FROM commftrs WHERE commid = ?", cid)
rs, err := tx.QueryContext(ctx, "SELECT ftr_code FROM commftrs WHERE commid = ?", cid)
if err != nil {
return nil, err
}
@@ -184,17 +187,18 @@ func AmGetCommunityServicesTx(tx *sqlx.Tx, cid int32) ([]*ServiceDef, error) {
/* AmEstablishCommunityServices establishes the service (feature) records for a new community,
* and allows the services to establish themselves.
* Parameters:
* ctx - Standard Go context value.
* tx - The transaction to use.
* c - The new community.
* Returns:
* Standard Go error status.
*/
func AmEstablishCommunityServices(tx *sqlx.Tx, c *Community) error {
func AmEstablishCommunityServices(ctx context.Context, tx *sqlx.Tx, c *Community) error {
dom := serviceRoot.byName["community"]
a := make([]*ServiceDef, 0, len(dom.Services))
for i, svc := range dom.Services {
if svc.Default {
_, err := tx.Exec("INSERT INTO commftrs (commid, ftr_code) VALUES (?, ?)", c.Id, svc.Index)
_, err := tx.ExecContext(ctx, "INSERT INTO commftrs (commid, ftr_code) VALUES (?, ?)", c.Id, svc.Index)
if err != nil {
return err
}
@@ -205,7 +209,7 @@ func AmEstablishCommunityServices(tx *sqlx.Tx, c *Community) error {
servicesCache.Add(c.Id, a)
servicesCacheMutex.Unlock()
for _, svc := range a {
err := svc.vtable.OnNewCommunity(tx, c)
err := svc.vtable.OnNewCommunity(ctx, tx, c)
if err != nil {
return err
}
@@ -216,23 +220,24 @@ func AmEstablishCommunityServices(tx *sqlx.Tx, c *Community) error {
/* AmDeleteCommunityServices cleans up all services associated with a community that has gone away,
* and then cleans up the service records.
* Parameters:
* ctx - Standard Go context value.
* tx - The transaction to use.
* cid - The ID of the departing community.
* Returns:
* Standard Go error status.
*/
func AmDeleteCommunityServices(tx *sqlx.Tx, cid int32) error {
arr, err := AmGetCommunityServices(cid)
func AmDeleteCommunityServices(ctx context.Context, tx *sqlx.Tx, cid int32) error {
arr, err := AmGetCommunityServices(ctx, cid)
if err == nil {
for _, svc := range arr {
err = svc.vtable.OnDeleteCommunity(tx, cid)
err = svc.vtable.OnDeleteCommunity(ctx, tx, cid)
if err != nil {
break
}
}
}
if err == nil {
_, err = tx.Exec("DELETE FROM commftrs WHERE commid = ?", cid)
_, err = tx.ExecContext(ctx, "DELETE FROM commftrs WHERE commid = ?", cid)
servicesCacheMutex.Lock()
servicesCache.Remove(cid)
servicesCacheMutex.Unlock()
@@ -242,17 +247,18 @@ func AmDeleteCommunityServices(tx *sqlx.Tx, cid int32) error {
/* AmOnUserJoinCommunityServices gives services a chance to update themselves when a user joins a community.
* Parameters:
* ctx - Standard Go context value.
* tx - The current database transaction.
* c - The community that is being joined.
* u - The user leaving that community.
* Returns:
* Standard Go error status.
*/
func AmOnUserJoinCommunityServices(tx *sqlx.Tx, c *Community, u *User) error {
arr, err := AmGetCommunityServicesTx(tx, c.Id)
func AmOnUserJoinCommunityServices(ctx context.Context, tx *sqlx.Tx, c *Community, u *User) error {
arr, err := AmGetCommunityServicesTx(ctx, tx, c.Id)
if err == nil {
for _, svc := range arr {
err = svc.vtable.OnUserJoinCommunity(tx, c, u)
err = svc.vtable.OnUserJoinCommunity(ctx, tx, c, u)
if err != nil {
break
}
@@ -263,17 +269,18 @@ func AmOnUserJoinCommunityServices(tx *sqlx.Tx, c *Community, u *User) error {
/* AmOnUserLeaveCommunityServices gives services a chance to update themselves when a user leaves a community.
* Parameters:
* ctx - Standard Go context value.
* tx - The current database transaction.
* c - The community that is being left.
* u - The user leaving that community.
* Returns:
* Standard Go error status.
*/
func AmOnUserLeaveCommunityServices(tx *sqlx.Tx, c *Community, u *User) error {
arr, err := AmGetCommunityServicesTx(tx, c.Id)
func AmOnUserLeaveCommunityServices(ctx context.Context, tx *sqlx.Tx, c *Community, u *User) error {
arr, err := AmGetCommunityServicesTx(ctx, tx, c.Id)
if err == nil {
for _, svc := range arr {
err = svc.vtable.OnUserLeaveCommunity(tx, c, u)
err = svc.vtable.OnUserLeaveCommunity(ctx, tx, c, u)
if err != nil {
break
}
@@ -282,8 +289,8 @@ func AmOnUserLeaveCommunityServices(tx *sqlx.Tx, c *Community, u *User) error {
return err
}
func AmTestService(c *Community, serviceId string) (bool, error) {
arr, err := AmGetCommunityServices(c.Id)
func AmTestService(ctx context.Context, c *Community, serviceId string) (bool, error) {
arr, err := AmGetCommunityServices(ctx, c.Id)
if err == nil {
for _, svc := range arr {
if svc.Id == serviceId {