daos

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 Go to latest Published: Jul 18, 2022 License: MIT Imports: 13 Imported by: 0

Documentation

Overview

Package daos handles common PocketBase DB model manipulations.

Think of daos as DB repository and service layer in one.

Index

Constants

View Source 
const MaxExpandDepth = 6

MaxExpandDepth specifies the max allowed nested expand depth path.

Variables

This section is empty.

Functions

This section is empty.

Types

type Dao 

type Dao struct {
	BeforeCreateFunc func(eventDao *Dao, m models.Model) error
	AfterCreateFunc  func(eventDao *Dao, m models.Model)
	BeforeUpdateFunc func(eventDao *Dao, m models.Model) error
	AfterUpdateFunc  func(eventDao *Dao, m models.Model)
	BeforeDeleteFunc func(eventDao *Dao, m models.Model) error
	AfterDeleteFunc  func(eventDao *Dao, m models.Model)
	// contains filtered or unexported fields
}

Dao handles various db operations. Think of Dao as a repository and service layer in one.

func New 

func New(db dbx.Builder) *Dao

New creates a new Dao instance with the provided db builder.

func (*Dao) AdminQuery 

func (dao *Dao) AdminQuery() *dbx.SelectQuery

AdminQuery returns a new Admin select query.

func (*Dao) CollectionQuery 

func (dao *Dao) CollectionQuery() *dbx.SelectQuery

CollectionQuery returns a new Collection select query.

func (*Dao) DB 

func (dao *Dao) DB() dbx.Builder

DB returns the internal db builder (*dbx.DB or *dbx.TX).

func (*Dao) Delete 

func (dao *Dao) Delete(m models.Model) error

Delete deletes the provided model.

func (*Dao) DeleteAdmin 

func (dao *Dao) DeleteAdmin(admin *models.Admin) error

DeleteAdmin deletes the provided Admin model.

Returns an error if there is only 1 admin.

func (*Dao) DeleteCollection 

func (dao *Dao) DeleteCollection(collection *models.Collection) error

DeleteCollection deletes the provided Collection model. This method automatically deletes the related collection records table.

NB! The collection cannot be deleted, if: - is system collection (aka. collection.System is true) - is referenced as part of a relation field in another collection

func (*Dao) DeleteOldRequests 

func (dao *Dao) DeleteOldRequests(createdBefore time.Time) error

DeleteOldRequests delete all requests that are created before createdBefore.

func (*Dao) DeleteParam 

func (dao *Dao) DeleteParam(param *models.Param) error

DeleteParam deletes the provided Param model.

func (*Dao) DeleteRecord 

func (dao *Dao) DeleteRecord(record *models.Record) error

DeleteRecord deletes the provided Record model.

This method will also cascade the delete operation to all linked relational records (delete or set to NULL, depending on the rel settings).

The delete operation may fail if the record is part of a required reference in another record (aka. cannot be deleted or set to NULL).

func (*Dao) DeleteTable 

func (dao *Dao) DeleteTable(tableName string) error

DeleteTable drops the specified table.

func (*Dao) DeleteUser 

func (dao *Dao) DeleteUser(user *models.User) error

DeleteUser deletes the provided User model.

This method will also cascade the delete operation to all Record models that references the provided User model (delete or set to NULL, depending on the related user shema field settings).

The delete operation may fail if the user is part of a required reference in another Record model (aka. cannot be deleted or set to NULL).

func (*Dao) ExpandRecord 

func (dao *Dao) ExpandRecord(record *models.Record, expands []string, fetchFunc ExpandFetchFunc) error

ExpandRecord expands the relations of a single Record model.

func (*Dao) ExpandRecords 

func (dao *Dao) ExpandRecords(records []*models.Record, expands []string, fetchFunc ExpandFetchFunc) error

ExpandRecords expands the relations of the provided Record models list.

func (*Dao) FindAdminByEmail 

func (dao *Dao) FindAdminByEmail(email string) (*models.Admin, error)

FindAdminByEmail finds the admin with the provided email address.

func (*Dao) FindAdminById 

func (dao *Dao) FindAdminById(id string) (*models.Admin, error)

FindAdminById finds the admin with the provided id.

func (*Dao) FindAdminByToken 

func (dao *Dao) FindAdminByToken(token string, baseTokenKey string) (*models.Admin, error)

FindAdminByToken finds the admin associated with the provided JWT token.

Returns an error if the JWT token is invalid or expired.

func (*Dao) FindById 

func (dao *Dao) FindById(m models.Model, id string) error

FindById finds a single db record with the specified id and scans the result into m.

func (*Dao) FindCollectionByNameOrId 

func (dao *Dao) FindCollectionByNameOrId(nameOrId string) (*models.Collection, error)

FindCollectionByNameOrId finds the first collection by its name or id.

func (*Dao) FindCollectionReferences 

func (dao *Dao) FindCollectionReferences(collection *models.Collection, excludeId string) (map[*models.Collection][]*schema.SchemaField, error)

FindCollectionReferences returns information for all relation schema fields referencing the provided collection.

If the provided collection has reference to itself then it will be also included in the result. To exlude it, pass the collection id as the excludeId argument.

func (*Dao) FindCollectionsWithUserFields 

func (dao *Dao) FindCollectionsWithUserFields() ([]*models.Collection, error)

FindCollectionsWithUserFields finds all collections that has at least one user schema field.

func (*Dao) FindFirstRecordByData 

func (dao *Dao) FindFirstRecordByData(collection *models.Collection, key string, value any) (*models.Record, error)

FindFirstRecordByData returns the first found record matching the provided key-value pair.

func (*Dao) FindParamByKey 

func (dao *Dao) FindParamByKey(key string) (*models.Param, error)

FindParamByKey finds the first Param model with the provided key.

func (*Dao) FindRecordById 

func (dao *Dao) FindRecordById(
	collection *models.Collection,
	recordId string,
	filter func(q *dbx.SelectQuery) error,
) (*models.Record, error)

FindRecordById finds the Record model by its id.

func (*Dao) FindRecordsByExpr 

func (dao *Dao) FindRecordsByExpr(collection *models.Collection, expr dbx.Expression) ([]*models.Record, error)

FindRecordsByExpr finds all records by the provided db expression. If no records are found, returns an empty slice.

Example: 

expr := dbx.HashExp{"email": "test@example.com"}
dao.FindRecordsByExpr(collection, expr)

func (*Dao) FindRecordsByIds 

func (dao *Dao) FindRecordsByIds(
	collection *models.Collection,
	recordIds []string,
	filter func(q *dbx.SelectQuery) error,
) ([]*models.Record, error)

FindRecordsByIds finds all Record models by the provided ids. If no records are found, returns an empty slice.

func (*Dao) FindRequestById 

func (dao *Dao) FindRequestById(id string) (*models.Request, error)

FindRequestById finds a single Request log by its id.

func (*Dao) FindUserByEmail 

func (dao *Dao) FindUserByEmail(email string) (*models.User, error)

FindUserByEmail finds a single User model by its email address.

This method also auto loads the related user profile record into the found model.

func (*Dao) FindUserById 

func (dao *Dao) FindUserById(id string) (*models.User, error)

FindUserById finds a single User model by its id.

This method also auto loads the related user profile record into the found model.

func (*Dao) FindUserByToken 

func (dao *Dao) FindUserByToken(token string, baseTokenKey string) (*models.User, error)

FindUserByToken finds the user associated with the provided JWT token. Returns an error if the JWT token is invalid or expired.

This method also auto loads the related user profile record into the found model.

func (*Dao) FindUserRelatedRecords 

func (dao *Dao) FindUserRelatedRecords(user *models.User) ([]*models.Record, error)

FindUserRelatedRecords returns all records that has a reference to the provided User model (via the user shema field).

func (*Dao) GetTableColumns 

func (dao *Dao) GetTableColumns(tableName string) ([]string, error)

GetTableColumns returns all column names of a single table by its name.

func (*Dao) HasTable 

func (dao *Dao) HasTable(tableName string) bool

HasTable checks if a table with the provided name exists (case insensitive).

func (*Dao) IsAdminEmailUnique 

func (dao *Dao) IsAdminEmailUnique(email string, excludeId string) bool

IsAdminEmailUnique checks if the provided email address is not already in use by other admins.

func (*Dao) IsCollectionNameUnique 

func (dao *Dao) IsCollectionNameUnique(name string, excludeId string) bool

IsCollectionNameUnique checks that there is no existing collection with the provided name (case insensitive!).

Note: case sensitive check because the name is used also as a table name for the records.

func (*Dao) IsRecordValueUnique 

func (dao *Dao) IsRecordValueUnique(
	collection *models.Collection,
	key string,
	value any,
	excludeId string,
) bool

IsRecordValueUnique checks if the provided key-value pair is a unique Record value.

NB! Array values (eg. from multiple select fields) are matched as a serialized json strings (eg. `["a","b"]`), so the value uniqueness depends on the elements order. Or in other words the following values are considered different: `[]string{"a","b"}` and `[]string{"b","a"}`

func (*Dao) IsUserEmailUnique 

func (dao *Dao) IsUserEmailUnique(email string, excludeId string) bool

IsUserEmailUnique checks if the provided email address is not already in use by other users.

func (*Dao) LoadProfile 

func (dao *Dao) LoadProfile(user *models.User) error

LoadProfile loads the profile record associated to the provided user.

func (*Dao) LoadProfiles 

func (dao *Dao) LoadProfiles(users []*models.User) error

LoadProfiles loads the profile records associated to the provied users list.

func (*Dao) ModelQuery 

func (dao *Dao) ModelQuery(m models.Model) *dbx.SelectQuery

ModelQuery creates a new query with preset Select and From fields based on the provided model argument.

func (*Dao) ParamQuery 

func (dao *Dao) ParamQuery() *dbx.SelectQuery

ParamQuery returns a new Param select query.

func (*Dao) RecordQuery 

func (dao *Dao) RecordQuery(collection *models.Collection) *dbx.SelectQuery

RecordQuery returns a new Record select query.

func (*Dao) RequestQuery 

func (dao *Dao) RequestQuery() *dbx.SelectQuery

RequestQuery returns a new Request logs select query.

func (*Dao) RequestsStats 

func (dao *Dao) RequestsStats(expr dbx.Expression) ([]*RequestsStatsItem, error)

RequestsStats returns hourly grouped requests logs statistics.

func (*Dao) RunInTransaction 

func (dao *Dao) RunInTransaction(fn func(txDao *Dao) error) error

RunInTransaction wraps fn into a transaction.

It is safe to nest RunInTransaction calls.

func (*Dao) Save 

func (dao *Dao) Save(m models.Model) error

Save upserts (update or create if primary key is not set) the provided model.

func (*Dao) SaveAdmin 

func (dao *Dao) SaveAdmin(admin *models.Admin) error

SaveAdmin upserts the provided Admin model.

func (*Dao) SaveCollection 

func (dao *Dao) SaveCollection(collection *models.Collection) error

SaveCollection upserts the provided Collection model and updates its related records table schema.

func (*Dao) SaveParam 

func (dao *Dao) SaveParam(key string, value any, optEncryptionKey ...string) error

SaveParam creates or updates a Param model by the provided key-value pair. The value argument will be encoded as json string.

If `optEncryptionKey` is provided it will encrypt the value before storing it.

func (*Dao) SaveRecord 

func (dao *Dao) SaveRecord(record *models.Record) error

SaveRecord upserts the provided Record model.

func (*Dao) SaveRequest 

func (dao *Dao) SaveRequest(request *models.Request) error

SaveRequest upserts the provided Request model.

func (*Dao) SaveUser 

func (dao *Dao) SaveUser(user *models.User) error

SaveUser upserts the provided User model.

An empty profile record will be created if the user doesn't have a profile record set yet.

func (*Dao) SyncRecordTableSchema 

func (dao *Dao) SyncRecordTableSchema(newCollection *models.Collection, oldCollection *models.Collection) error

SyncRecordTableSchema compares the two provided collections and applies the necessary related record table changes.

If `oldCollection` is null, then only `newCollection` is used to create the record table.

func (*Dao) TotalAdmins 

func (dao *Dao) TotalAdmins() (int, error)

TotalAdmins returns the number of existing admin records.

func (*Dao) UserQuery 

func (dao *Dao) UserQuery() *dbx.SelectQuery

UserQuery returns a new User model select query.

type ExpandFetchFunc 

type ExpandFetchFunc func(relCollection *models.Collection, relIds []string) ([]*models.Record, error)

ExpandFetchFunc defines the function that is used to fetch the expanded relation records.

type RequestsStatsItem 

type RequestsStatsItem struct {
	Total int            `db:"total" json:"total"`
	Date  types.DateTime `db:"date" json:"date"`
}

Source Files

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