GraphQL API and utilities for the rpdata project
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package changes
import (
"log"
"strconv"
"time"
"git.aiterp.net/rpdata/api/internal/counter"
"git.aiterp.net/rpdata/api/models"
)
// Submit a change to the database. The objects may be any supported model, or arrays.
func Submit(model, op, author string, listed bool, keys []models.ChangeKey, objects ...interface{}) (models.Change, error) {
submitMutex.Lock()
defer submitMutex.Unlock()
id, err := counter.Next("auto_increment", "Change")
if err != nil {
return models.Change{}, err
}
if !models.ChangeModel(model).IsValid() {
panic("Invalid model")
}
// Silently discard * keys on unlisted changes.
if !listed {
keysCopy := make([]models.ChangeKey, len(keys))
copy(keysCopy, keys)
keys = keysCopy
deletes := make([]int, 0, 1)
for i, key := range keys {
if key.ID == "*" {
deletes = append(deletes, i-len(deletes))
}
}
for _, index := range deletes {
keys = append(keys[:index], keys[index+1:]...)
}
}
change := models.Change{
ID: "Change_" + strconv.Itoa(id),
Model: models.ChangeModel(model),
Date: time.Now(),
Op: op,
Author: author,
Keys: keys,
Listed: listed,
}
for _, object := range objects {
switch object := object.(type) {
case models.Log:
change.Logs = append(change.Logs, object)
case []models.Log:
change.Logs = append(change.Logs, object...)
case models.Character:
change.Characters = append(change.Characters, object)
case []models.Character:
change.Characters = append(change.Characters, object...)
case models.Channel:
change.Channels = append(change.Channels, object)
case []models.Channel:
change.Channels = append(change.Channels, object...)
case models.Post:
change.Posts = append(change.Posts, object)
case []models.Post:
change.Posts = append(change.Posts, object...)
case models.Story:
change.Stories = append(change.Stories, object)
case []models.Story:
change.Stories = append(change.Stories, object...)
case models.Tag:
change.Tags = append(change.Tags, object)
case []models.Tag:
change.Tags = append(change.Tags, object...)
case models.Chapter:
change.Chapters = append(change.Chapters, object)
case []models.Chapter:
change.Chapters = append(change.Chapters, object...)
default:
log.Printf("Warning: unrecognized object in change: %#+v", object)
}
}
pushToSubscribers(change)
err = collection.Insert(&change)
if err != nil {
return models.Change{}, err
}
return change, nil
}