// GetByIDs retrieves items by ID from Mongo.
func GetByIDs(context interface{}, db *db.DB, ids []string) ([]Item, error) {
log.Dev(context, "GetByIDs", "Started : IDs%v", ids)
// Get the items from Mongo.
var items []Item
f := func(c *mgo.Collection) error {
q := bson.M{"item_id": bson.M{"$in": ids}}
log.Dev(context, "Find", "MGO : db.%s.find(%s)", c.Name, mongo.Query(q))
return c.Find(q).All(&items)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetByIDs", err, "Completed")
return items, err
}
// If we got an unexpected number of items, throw an error.
if len(ids) < len(items) {
return nil, fmt.Errorf("Expected %d items, got %d: ", len(ids), len(items))
}
log.Dev(context, "GetByIDs", "Completed")
return items, nil
}
// Create adds a new Submission based on a given Form into
// the MongoDB database collection.
func Create(context interface{}, db *db.DB, formID string, submission *Submission) error {
log.Dev(context, "Create", "Started : Form[%s]", formID)
if !bson.IsObjectIdHex(formID) {
log.Error(context, "Create", ErrInvalidID, "Completed")
return ErrInvalidID
}
if err := submission.Validate(); err != nil {
return err
}
// FIXME: handle Number field maybe with https://docs.mongodb.com/v3.0/tutorial/create-an-auto-incrementing-field/ to resolve race condition
count, err := Count(context, db, formID)
if err != nil {
log.Error(context, "Create", err, "Completed")
return err
}
submission.Number = count + 1
f := func(c *mgo.Collection) error {
log.Dev(context, "Create", "MGO : db.%s.insert(%s)", c.Name, mongo.Query(submission))
return c.Insert(submission)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "Create", err, "Completed")
return err
}
log.Dev(context, "Create", "Completed")
return nil
}
// GetByName retrieves the document for the specified Set.
func GetByName(context interface{}, db *db.DB, name string) (*Set, error) {
log.Dev(context, "GetByName", "Started : Name[%s]", name)
key := "gbn" + name
if v, found := cache.Get(key); found {
set := v.(Set)
log.Dev(context, "GetByName", "Completed : CACHE : Set[%+v]", &set)
return &set, nil
}
var set Set
f := func(c *mgo.Collection) error {
q := bson.M{"name": name}
log.Dev(context, "GetByName", "MGO : db.%s.findOne(%s)", c.Name, mongo.Query(q))
return c.Find(q).One(&set)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetByName", err, "Completed")
return nil, err
}
// Fix the set so it can be used for processing.
set.PrepareForUse()
cache.Set(key, set, gc.DefaultExpiration)
log.Dev(context, "GetByName", "Completed : Set[%+v]", &set)
return &set, nil
}
// GetAll retrieves a list of regexs.
func GetAll(context interface{}, db *db.DB, tags []string) ([]Regex, error) {
log.Dev(context, "GetAll", "Started : Tags[%v]", tags)
key := "grs" + strings.Join(tags, "-")
if v, found := cache.Get(key); found {
rgxs := v.([]Regex)
log.Dev(context, "GetAll", "Completed : CACHE : Rgxs[%d]", len(rgxs))
return rgxs, nil
}
var rgxs []Regex
f := func(c *mgo.Collection) error {
log.Dev(context, "GetAll", "MGO : db.%s.find({}).sort([\"name\"])", c.Name)
return c.Find(nil).All(&rgxs)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetAll", err, "Completed")
return nil, err
}
if rgxs == nil {
log.Error(context, "GetAll", ErrNotFound, "Completed")
return nil, ErrNotFound
}
cache.Set(key, rgxs, gc.DefaultExpiration)
log.Dev(context, "GetAll", "Completed : Rgxs[%d]", len(rgxs))
return rgxs, nil
}
// UpdateStatus updates a form submissions status inside the MongoDB database
// collection.
func UpdateStatus(context interface{}, db *db.DB, id, status string) (*Submission, error) {
log.Dev(context, "UpdateStatus", "Started : Submission[%s]", id)
if !bson.IsObjectIdHex(id) {
log.Error(context, "UpdateStatus", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
objectID := bson.ObjectIdHex(id)
f := func(c *mgo.Collection) error {
u := bson.M{
"$set": bson.M{
"status": status,
"date_updated": time.Now(),
},
}
log.Dev(context, "UpdateStatus", "MGO : db.%s.update(%s, %s)", c.Name, mongo.Query(objectID), mongo.Query(u))
return c.UpdateId(objectID, u)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "UpdateStatus", err, "Completed")
return nil, err
}
submission, err := Retrieve(context, db, id)
if err != nil {
log.Error(context, "UpdateStatus", err, "Completed")
return nil, err
}
log.Dev(context, "UpdateStatus", "Completed")
return submission, nil
}
// RetrieveMany retrieves a list of Submission's from the MongoDB database collection.
func RetrieveMany(context interface{}, db *db.DB, ids []string) ([]Submission, error) {
log.Dev(context, "RetrieveMany", "Started")
var objectIDs = make([]bson.ObjectId, len(ids))
for i, id := range ids {
if !bson.IsObjectIdHex(id) {
log.Error(context, "RetrieveMany", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
objectIDs[i] = bson.ObjectIdHex(id)
}
var submissions []Submission
f := func(c *mgo.Collection) error {
q := bson.M{
"_id": bson.M{
"$in": objectIDs,
},
}
log.Dev(context, "RetrieveMany", "MGO : db.%s.find(%s)", c.Name, mongo.Query(q))
return c.Find(q).All(&submissions)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "RetrieveMany", err, "Completed")
return nil, err
}
log.Dev(context, "RetrieveMany", "Started")
return submissions, nil
}
// Update updates the form gallery in the MongoDB database
// collection.
func Update(context interface{}, db *db.DB, id string, gallery *Gallery) error {
log.Dev(context, "Update", "Started : Gallery[%s]", id)
if !bson.IsObjectIdHex(id) {
log.Error(context, "Update", ErrInvalidID, "Completed")
return ErrInvalidID
}
if err := gallery.Validate(); err != nil {
log.Error(context, "Update", err, "Completed")
return err
}
objectID := bson.ObjectIdHex(id)
gallery.DateUpdated = time.Now()
f := func(c *mgo.Collection) error {
log.Dev(context, "Update", "MGO : db.%s.update(%s, %s)", c.Name, mongo.Query(objectID), mongo.Query(gallery))
return c.UpdateId(objectID, gallery)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "Update", err, "Completed")
return err
}
log.Dev(context, "Update", "Completed")
return nil
}
// Retrieve retrieves a form gallery from the MongoDB database
// collection as well as hydrating the form gallery with form submissions.
func Retrieve(context interface{}, db *db.DB, id string) (*Gallery, error) {
log.Dev(context, "Retrieve", "Started : Gallery[%s]", id)
if !bson.IsObjectIdHex(id) {
log.Error(context, "Retrieve", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
objectID := bson.ObjectIdHex(id)
var gallery Gallery
f := func(c *mgo.Collection) error {
log.Dev(context, "Retrieve", "MGO : db.%s.find(%s)", c.Name, mongo.Query(objectID))
return c.FindId(objectID).One(&gallery)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "Retrieve", err, "Completed")
return nil, err
}
if err := hydrate(context, db, &gallery); err != nil {
log.Error(context, "Retrieve", err, "Completed")
return nil, err
}
log.Dev(context, "Retrieve", "Completed")
return &gallery, nil
}
// List retrives the form galleries for a given form from the MongoDB database
// collection.
func List(context interface{}, db *db.DB, formID string) ([]Gallery, error) {
log.Dev(context, "List", "Started")
if !bson.IsObjectIdHex(formID) {
log.Error(context, "List", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
formObjectID := bson.ObjectIdHex(formID)
var galleries = make([]Gallery, 0)
f := func(c *mgo.Collection) error {
q := bson.M{
"form_id": formObjectID,
}
log.Dev(context, "List", "MGO : db.%s.find(%s)", c.Name, mongo.Query(q))
return c.Find(q).All(&galleries)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "List", err, "Completed")
return nil, err
}
if err := hydrateMany(context, db, galleries); err != nil {
log.Error(context, "List", err, "Completed")
return nil, err
}
log.Dev(context, "List", "Completed")
return galleries, nil
}
// Count returns the count of current submissions for a given
// form id in the Form Submissions MongoDB database collection.
func Count(context interface{}, db *db.DB, formID string) (int, error) {
log.Dev(context, "Count", "Completed : Form[%s]", formID)
if !bson.IsObjectIdHex(formID) {
log.Error(context, "Count", ErrInvalidID, "Completed")
return 0, ErrInvalidID
}
formObjectID := bson.ObjectIdHex(formID)
var count int
f := func(c *mgo.Collection) error {
var err error
q := bson.M{
"form_id": formObjectID,
}
log.Dev(context, "Count", "MGO : db.%s.find(%s).count()", c.Name, mongo.Query(q))
count, err = c.Find(q).Count()
return err
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "Count", err, "Completed")
return 0, err
}
log.Dev(context, "Count", "Completed")
return count, nil
}
// GetByName retrieves the document for the specified query mask.
func GetByName(context interface{}, db *db.DB, collection string, field string) (Mask, error) {
log.Dev(context, "GetByName", "Started : Collection[%s] Field[%s]", collection, field)
key := "gbn" + collection + field
if v, found := cache.Get(key); found {
mask := v.(Mask)
log.Dev(context, "GetByName", "Completed : CACHE : Mask[%+v]", mask)
return mask, nil
}
var mask Mask
f := func(c *mgo.Collection) error {
q := bson.M{"collection": collection, "field": field}
log.Dev(context, "GetByName", "MGO : db.%s.findOne(%s)", c.Name, mongo.Query(q))
return c.Find(q).One(&mask)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetByName", err, "Completed")
return Mask{}, err
}
cache.Set(key, mask, gc.DefaultExpiration)
log.Dev(context, "GetByName", "Completed : Mask[%+v]", mask)
return mask, nil
}
// RemoveFlag removes a flag from a given Submission in
// the MongoDB database collection.
func RemoveFlag(context interface{}, db *db.DB, id, flag string) (*Submission, error) {
log.Dev(context, "RemoveFlag", "Started : Submission[%s]", id)
if !bson.IsObjectIdHex(id) {
log.Error(context, "RemoveFlag", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
objectID := bson.ObjectIdHex(id)
f := func(c *mgo.Collection) error {
u := bson.M{
"$pull": bson.M{
"flags": flag,
},
}
log.Dev(context, "RemoveFlag", "MGO : db.%s.update(%s, %s)", c.Name, mongo.Query(objectID), mongo.Query(u))
return c.UpdateId(objectID, u)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "RemoveFlag", err, "Completed")
return nil, err
}
submission, err := Retrieve(context, db, id)
if err != nil {
log.Error(context, "RemoveFlag", err, "Completed")
return nil, err
}
log.Dev(context, "RemoveFlag", "Completed")
return submission, nil
}
// Remove removes forms in Mongo that match a given pattern.
func Remove(context interface{}, db *db.DB, pattern string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"header.title": bson.RegEx{Pattern: "^" + pattern}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, form.Collection, f); err != nil {
return err
}
if err := db.ExecuteMGO(context, submission.Collection, f); err != nil {
return err
}
return nil
}
// Remove removes relationships, views, and patterns in Mongo that match a given pattern.
func Remove(context interface{}, db *db.DB, prefix string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"item_id": bson.RegEx{Pattern: prefix}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, item.Collection, f); err != nil {
return err
}
f = func(c *mgo.Collection) error {
q := bson.M{"predicate": bson.RegEx{Pattern: prefix}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, relationship.Collection, f); err != nil {
return err
}
f = func(c *mgo.Collection) error {
q := bson.M{"name": bson.RegEx{Pattern: prefix}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, view.Collection, f); err != nil {
return err
}
f = func(c *mgo.Collection) error {
q := bson.M{"type": bson.RegEx{Pattern: prefix}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, pattern.Collection, f); err != nil {
return err
}
return nil
}
// viewItems retrieves the items corresponding to the provided list of item IDs.
func viewItems(context interface{}, db *db.DB, v *view.View, ids []string, embeds embeddedRels) ([]bson.M, error) {
// Form the query.
var results []item.Item
f := func(c *mgo.Collection) error {
return c.Find(bson.M{"item_id": bson.M{"$in": ids}}).All(&results)
}
// Execute the query.
if err := db.ExecuteMGO(context, v.Collection, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
return nil, err
}
// Group the embedded relationships by item and predicate/tag.
embedByItem, err := groupEmbeds(embeds)
if err != nil {
return nil, err
}
// Embed any related item IDs in the returned items.
var output []bson.M
if len(embedByItem) > 0 {
for _, result := range results {
// Get the respective IDs to embed.
itemEmbeds, ok := embedByItem[result.ID]
if ok {
relMap := make(map[string]interface{})
for k, v := range itemEmbeds {
relMap[k] = v
}
result.Related = relMap
}
// Convert to bson.M for output.
itemBSON := bson.M{
"item_id": result.ID,
"type": result.Type,
"version": result.Version,
"data": result.Data,
"created_at": result.CreatedAt,
"updated_at": result.UpdatedAt,
"related": result.Related,
}
output = append(output, itemBSON)
}
}
return output, nil
}
// Remove removes patterns in Mongo that match a given prefix.
func Remove(context interface{}, db *db.DB, prefix string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"type": bson.RegEx{Pattern: prefix}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, pattern.Collection, f); err != nil {
return err
}
return nil
}
// Add inserts a regex for testing.
func Add(db *db.DB, rgx regex.Regex) error {
f := func(c *mgo.Collection) error {
q := bson.M{"name": rgx.Name}
_, err := c.Upsert(q, rgx)
return err
}
if err := db.ExecuteMGO(tests.Context, regex.Collection, f); err != nil {
return err
}
return nil
}
// Add inserts a mask for testing.
func Add(db *db.DB, msk mask.Mask) error {
f := func(c *mgo.Collection) error {
q := bson.M{"collection": msk.Collection, "field": msk.Field}
_, err := c.Upsert(q, msk)
return err
}
if err := db.ExecuteMGO(tests.Context, mask.Collection, f); err != nil {
return err
}
return nil
}
// Remove removes relationships in Mongo that match a given pattern.
func Remove(context interface{}, db *db.DB, pattern string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"predicate": bson.RegEx{Pattern: pattern}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, relationship.Collection, f); err != nil {
return err
}
return nil
}
// Remove removes gallerys in Mongo that match a given pattern.
func Remove(context interface{}, db *db.DB, pattern string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"description": bson.RegEx{Pattern: "^" + pattern}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(context, gallery.Collection, f); err != nil {
return err
}
return nil
}
// Remove is used to clear out all the test masks from the collection.
func Remove(db *db.DB, collection string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"$or": []bson.M{bson.M{"collection": collection}, bson.M{"collection": "*", "field": "test"}}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(tests.Context, mask.Collection, f); err != nil {
return err
}
f = func(c *mgo.Collection) error {
q := bson.M{"$or": []bson.M{bson.M{"collection": collection}, bson.M{"collection": "*", "field": "test"}}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(tests.Context, mask.CollectionHistory, f); err != nil {
return err
}
return nil
}
// Remove is used to clear out all the test sets from the collection.
// All test documents must start with QSTEST in their name.
func Remove(db *db.DB, pattern string) error {
f := func(c *mgo.Collection) error {
q := bson.M{"name": bson.RegEx{Pattern: pattern}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(tests.Context, query.Collection, f); err != nil {
return err
}
f = func(c *mgo.Collection) error {
q := bson.M{"name": bson.RegEx{Pattern: pattern}}
_, err := c.RemoveAll(q)
return err
}
if err := db.ExecuteMGO(tests.Context, query.CollectionHistory, f); err != nil {
return err
}
return nil
}
// RemoveAnswer adds an answer to a form gallery. Duplicated answers
// are de-duplicated automatically and will not return an error.
func RemoveAnswer(context interface{}, db *db.DB, id, submissionID, answerID string) (*Gallery, error) {
log.Dev(context, "RemoveAnswer", "Started : Gallery[%s]", id)
if !bson.IsObjectIdHex(id) {
log.Error(context, "RemoveAnswer", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
if !bson.IsObjectIdHex(submissionID) {
log.Error(context, "RemoveAnswer", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
objectID := bson.ObjectIdHex(id)
answer := Answer{
SubmissionID: bson.ObjectIdHex(submissionID),
AnswerID: answerID,
}
if err := answer.Validate(); err != nil {
log.Error(context, "RemoveAnswer", err, "Completed")
return nil, err
}
f := func(c *mgo.Collection) error {
u := bson.M{
"$pull": bson.M{
"answers": answer,
},
}
log.Dev(context, "RemoveAnswer", "MGO : db.%s.update(%s, %s)", c.Name, mongo.Query(objectID), mongo.Query(u))
return c.UpdateId(objectID, u)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "RemoveAnswer", err, "Completed")
return nil, err
}
gallery, err := Retrieve(context, db, id)
if err != nil {
log.Error(context, "RemoveAnswer", err, "Completed")
return nil, err
}
log.Dev(context, "RemoveAnswer", "Completed")
return gallery, nil
}
// GetLastHistoryByName gets the last written Set within the history.
func GetLastHistoryByName(context interface{}, db *db.DB, name string) (*Set, error) {
log.Dev(context, "GetLastHistoryByName", "Started : Name[%s]", name)
type rslt struct {
Name string `bson:"name"`
Sets []Set `bson:"sets"`
}
key := "glhbn" + name
if v, found := cache.Get(key); found {
result := v.(rslt)
log.Dev(context, "GetLastHistoryByName", "Completed : CACHE : Set[%+v]", &result.Sets[0])
return &result.Sets[0], nil
}
var result rslt
f := func(c *mgo.Collection) error {
q := bson.M{"name": name}
proj := bson.M{"sets": bson.M{"$slice": 1}}
log.Dev(context, "GetLastHistoryByName", "MGO : db.%s.find(%s,%s)", c.Name, mongo.Query(q), mongo.Query(proj))
return c.Find(q).Select(proj).One(&result)
}
if err := db.ExecuteMGO(context, CollectionHistory, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetLastHistoryByName", err, "Complete")
return nil, err
}
if result.Sets == nil {
err := errors.New("History not found")
log.Error(context, "GetLastHistoryByName", err, "Complete")
return nil, err
}
// Fix the set so it can be used for processing.
result.Sets[0].PrepareForUse()
cache.Set(key, result, gc.DefaultExpiration)
log.Dev(context, "GetLastHistoryByName", "Completed : Set[%+v]", &result.Sets[0])
return &result.Sets[0], nil
}
// UpdateAnswer updates the edited answer if it could find it
// inside the MongoDB database collection atomically.
func UpdateAnswer(context interface{}, db *db.DB, id string, answer AnswerInput) (*Submission, error) {
log.Dev(context, "UpdateAnswer", "Started : Submission[%s]", id)
if !bson.IsObjectIdHex(id) {
log.Error(context, "UpdateAnswer", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
if err := answer.Validate(); err != nil {
log.Error(context, "UpdateAnswer", ErrInvalidID, "Completed")
return nil, ErrInvalidID
}
objectID := bson.ObjectIdHex(id)
f := func(c *mgo.Collection) error {
q := bson.M{
"_id": objectID,
"replies.widget_id": answer.WidgetID,
}
// Update the nested subdocument using the $ projection operator:
// https://docs.mongodb.com/manual/reference/operator/update/positional/
u := bson.M{
"$set": bson.M{
"replies.$.edited": answer.Answer,
},
}
log.Dev(context, "UpdateAnswer", "MGO : db.%s.update(%s, %s)", c.Name, mongo.Query(q), mongo.Query(u))
return c.Update(q, u)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "UpdateAnswer", err, "Completed")
return nil, err
}
submission, err := Retrieve(context, db, id)
if err != nil {
log.Error(context, "UpdateAnswer", err, "Completed")
return nil, err
}
log.Dev(context, "UpdateAnswer", "Completed")
return submission, nil
}
// Delete removes a relationship from from Mongo.
func Delete(context interface{}, db *db.DB, predicate string) error {
log.Dev(context, "Delete", "Started : Predicate[%s]", predicate)
// Remove the relationship.
f := func(c *mgo.Collection) error {
q := bson.M{"predicate": predicate}
log.Dev(context, "Remove", "MGO : db.%s.remove(%s)", c.Name, mongo.Query(q))
return c.Remove(q)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "Delete", err, "Completed")
return err
}
log.Dev(context, "Delete", "Completed")
return nil
}
// List retrieves a list of forms from the MongodB database collection.
func List(context interface{}, db *db.DB, limit, skip int) ([]Form, error) {
log.Dev(context, "List", "Started")
var forms = make([]Form, 0)
f := func(c *mgo.Collection) error {
log.Dev(context, "List", "MGO : db.%s.find().limit(%d).skip(%d)", c.Name, limit, skip)
return c.Find(nil).Limit(limit).Skip(skip).All(&forms)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "List", err, "Completed")
return nil, err
}
log.Dev(context, "List", "Completed")
return forms, nil
}
// Delete removes an item from from Mongo.
func Delete(context interface{}, db *db.DB, id string) error {
log.Dev(context, "Delete", "Started : ID[%s]", id)
// Remove the item.
f := func(c *mgo.Collection) error {
q := bson.M{"item_id": id}
log.Dev(context, "Remove", "MGO : db.%s.remove(%s)", c.Name, mongo.Query(q))
return c.Remove(q)
}
if err := db.ExecuteMGO(context, Collection, f); err != nil {
log.Error(context, "Delete", err, "Completed")
return err
}
log.Dev(context, "Delete", "Completed")
return nil
}
// GetLastHistoryByName gets the last written query mask within the history.
func GetLastHistoryByName(context interface{}, db *db.DB, collection string, field string) (Mask, error) {
log.Dev(context, "GetLastHistoryByName", "Started : Collection[%s] Field[%s]", collection, field)
type rslt struct {
Name string `bson:"name"`
Masks []Mask `bson:"masks"`
}
key := "glhbn" + collection + field
if v, found := cache.Get(key); found {
result := v.(rslt)
log.Dev(context, "GetLastHistoryByName", "Completed : CACHE : Set[%+v]", result.Masks[0])
return result.Masks[0], nil
}
var result rslt
f := func(c *mgo.Collection) error {
q := bson.M{"collection": collection, "field": field}
proj := bson.M{"masks": bson.M{"$slice": 1}}
log.Dev(context, "GetLastHistoryByName", "MGO : db.%s.find(%s,%s)", c.Name, mongo.Query(q), mongo.Query(proj))
return c.Find(q).Select(proj).One(&result)
}
if err := db.ExecuteMGO(context, CollectionHistory, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetLastHistoryByName", err, "Complete")
return Mask{}, err
}
if result.Masks == nil {
err := errors.New("History not found")
log.Error(context, "GetLastHistoryByName", err, "Complete")
return Mask{}, err
}
cache.Set(key, result, gc.DefaultExpiration)
log.Dev(context, "GetLastHistoryByName", "Completed : Set[%+v]", result.Masks[0])
return result.Masks[0], nil
}
// GetLastHistoryByName gets the last written Regex within the history.
func GetLastHistoryByName(context interface{}, db *db.DB, name string) (Regex, error) {
log.Dev(context, "GetLastHistoryByName", "Started : Name[%s]", name)
type rslt struct {
Name string `bson:"name"`
Regexs []Regex `bson:"regexs"`
}
key := "glhbn" + name
if v, found := cache.Get(key); found {
result := v.(rslt)
log.Dev(context, "GetLastHistoryByName", "Completed : CACHE : Regex[%+v]", &result.Regexs[0])
return result.Regexs[0], nil
}
var result rslt
f := func(c *mgo.Collection) error {
q := bson.M{"name": name}
proj := bson.M{"regexs": bson.M{"$slice": 1}}
log.Dev(context, "GetLastHistoryByName", "MGO : db.%s.find(%s,%s)", c.Name, mongo.Query(q), mongo.Query(proj))
return c.Find(q).Select(proj).One(&result)
}
if err := db.ExecuteMGO(context, CollectionHistory, f); err != nil {
if err == mgo.ErrNotFound {
err = ErrNotFound
}
log.Error(context, "GetLastHistoryByName", err, "Complete")
return Regex{}, err
}
if result.Regexs == nil {
err := errors.New("History not found")
log.Error(context, "GetLastHistoryByName", err, "Complete")
return Regex{}, err
}
cache.Set(key, result, gc.DefaultExpiration)
log.Dev(context, "GetLastHistoryByName", "Completed : Regex[%+v]", &result.Regexs[0])
return result.Regexs[0], nil
}