mqueue

package
v0.28.1 Latest Latest
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 Go to latest Published: Apr 3, 2018 License: MIT Imports: 11 Imported by: 0

README

Simple message queue based on postgres, this is for more realiably sending messages with retry on failure, accepting long failture durations such as discord being down.

Documentation

Overview

IMPORTANT! This is auto generated code by https://github.com/src-d/go-kallax Please, do not touch the code below, and if you do, do it under your own risk. Take into account that all the code you write here will be completely erased from earth the next time you generate the kallax models.

Index

Constants

This section is empty.

Variables

View Source 
var Schema = &schema{
	QueuedElement: &schemaQueuedElement{
		BaseSchema: kallax.NewBaseSchema(
			"mqueue",
			"__queuedelement",
			kallax.NewSchemaField("id"),
			kallax.ForeignKeys{},
			func() kallax.Record {
				return new(QueuedElement)
			},
			true,
			kallax.NewSchemaField("id"),
			kallax.NewSchemaField("source"),
			kallax.NewSchemaField("source_id"),
			kallax.NewSchemaField("message_str"),
			kallax.NewSchemaField("message_embed"),
			kallax.NewSchemaField("channel"),
			kallax.NewSchemaField("processed"),
		),
		ID:           kallax.NewSchemaField("id"),
		Source:       kallax.NewSchemaField("source"),
		SourceID:     kallax.NewSchemaField("source_id"),
		MessageStr:   kallax.NewSchemaField("message_str"),
		MessageEmbed: kallax.NewSchemaField("message_embed"),
		Channel:      kallax.NewSchemaField("channel"),
		Processed:    kallax.NewSchemaField("processed"),
	},
}

Functions

func InitStores 

func InitStores()

func QueueMessageEmbed 

func QueueMessageEmbed(source, sourceID, channel string, embed *discordgo.MessageEmbed)

func QueueMessageString 

func QueueMessageString(source, sourceID, channel, message string)

func RegisterSource 

func RegisterSource(name string, source PluginWithErrorHandler)

func StartPolling 

func StartPolling()

func Stop 

func Stop(wg *sync.WaitGroup)

Types

type PluginWithErrorHandler 

type PluginWithErrorHandler interface {
	HandleMQueueError(elem *QueuedElement, err error)
}

type QueuedElement 

type QueuedElement struct {
	kallax.Model `table:"mqueue" pk:"id,autoincr"`

	ID int64

	// Where this feed originated from, responsible for handling discord specific errors
	Source string
	// Could be stuff like reddit feed element id, youtube feed element id and so on
	SourceID string

	// The actual message as a simple string
	MessageStr string

	// The actual message as an embed
	MessageEmbed string

	// The channel to send the message in
	Channel string

	Processed bool
}

func NewQueuedElement 

func NewQueuedElement() (record *QueuedElement)

NewQueuedElement returns a new instance of QueuedElement.

func (*QueuedElement) ColumnAddress 

func (r *QueuedElement) ColumnAddress(col string) (interface{}, error)

ColumnAddress returns the pointer to the value of the given column.

func (*QueuedElement) GetID 

func (r *QueuedElement) GetID() kallax.Identifier

GetID returns the primary key of the model.

func (*QueuedElement) NewRelationshipRecord 

func (r *QueuedElement) NewRelationshipRecord(field string) (kallax.Record, error)

NewRelationshipRecord returns a new record for the relatiobship in the given field.

func (*QueuedElement) SetRelationship 

func (r *QueuedElement) SetRelationship(field string, rel interface{}) error

SetRelationship sets the given relationship in the given field.

func (*QueuedElement) Value 

func (r *QueuedElement) Value(col string) (interface{}, error)

Value returns the value of the given column.

type QueuedElementQuery 

type QueuedElementQuery struct {
	*kallax.BaseQuery
}

QueuedElementQuery is the object used to create queries for the QueuedElement entity.

func NewQueuedElementQuery 

func NewQueuedElementQuery() *QueuedElementQuery

NewQueuedElementQuery returns a new instance of QueuedElementQuery.

func (*QueuedElementQuery) BatchSize 

func (q *QueuedElementQuery) BatchSize(size uint64) *QueuedElementQuery

BatchSize sets the number of items to fetch per batch when there are 1:N relationships selected in the query.

func (*QueuedElementQuery) Copy 

func (q *QueuedElementQuery) Copy() *QueuedElementQuery

Copy returns a new identical copy of the query. Remember queries are mutable so make a copy any time you need to reuse them.

func (*QueuedElementQuery) FindByChannel 

func (q *QueuedElementQuery) FindByChannel(v string) *QueuedElementQuery

FindByChannel adds a new filter to the query that will require that the Channel property is equal to the passed value.

func (*QueuedElementQuery) FindByID 

func (q *QueuedElementQuery) FindByID(v ...int64) *QueuedElementQuery

FindByID adds a new filter to the query that will require that the ID property is equal to one of the passed values; if no passed values, it will do nothing.

func (*QueuedElementQuery) FindByMessageEmbed 

func (q *QueuedElementQuery) FindByMessageEmbed(v string) *QueuedElementQuery

FindByMessageEmbed adds a new filter to the query that will require that the MessageEmbed property is equal to the passed value.

func (*QueuedElementQuery) FindByMessageStr 

func (q *QueuedElementQuery) FindByMessageStr(v string) *QueuedElementQuery

FindByMessageStr adds a new filter to the query that will require that the MessageStr property is equal to the passed value.

func (*QueuedElementQuery) FindByProcessed 

func (q *QueuedElementQuery) FindByProcessed(v bool) *QueuedElementQuery

FindByProcessed adds a new filter to the query that will require that the Processed property is equal to the passed value.

func (*QueuedElementQuery) FindBySource 

func (q *QueuedElementQuery) FindBySource(v string) *QueuedElementQuery

FindBySource adds a new filter to the query that will require that the Source property is equal to the passed value.

func (*QueuedElementQuery) FindBySourceID 

func (q *QueuedElementQuery) FindBySourceID(v string) *QueuedElementQuery

FindBySourceID adds a new filter to the query that will require that the SourceID property is equal to the passed value.

func (*QueuedElementQuery) Limit 

func (q *QueuedElementQuery) Limit(n uint64) *QueuedElementQuery

Limit sets the max number of items to retrieve.

func (*QueuedElementQuery) Offset 

func (q *QueuedElementQuery) Offset(n uint64) *QueuedElementQuery

Offset sets the number of items to skip from the result set of items.

func (*QueuedElementQuery) Order 

func (q *QueuedElementQuery) Order(cols ...kallax.ColumnOrder) *QueuedElementQuery

Order adds order clauses to the query for the given columns.

func (*QueuedElementQuery) Select 

func (q *QueuedElementQuery) Select(columns ...kallax.SchemaField) *QueuedElementQuery

Select adds columns to select in the query.

func (*QueuedElementQuery) SelectNot 

func (q *QueuedElementQuery) SelectNot(columns ...kallax.SchemaField) *QueuedElementQuery

SelectNot excludes columns from being selected in the query.

func (*QueuedElementQuery) Where 

func (q *QueuedElementQuery) Where(cond kallax.Condition) *QueuedElementQuery

Where adds a condition to the query. All conditions added are concatenated using a logical AND.

type QueuedElementResultSet 

type QueuedElementResultSet struct {
	ResultSet kallax.ResultSet
	// contains filtered or unexported fields
}

QueuedElementResultSet is the set of results returned by a query to the database.

func NewQueuedElementResultSet 

func NewQueuedElementResultSet(rs kallax.ResultSet) *QueuedElementResultSet

NewQueuedElementResultSet creates a new result set for rows of the type QueuedElement.

func (*QueuedElementResultSet) All 

func (rs *QueuedElementResultSet) All() ([]*QueuedElement, error)

All returns all records on the result set and closes the result set.

func (*QueuedElementResultSet) Close 

func (rs *QueuedElementResultSet) Close() error

Close closes the result set.

func (*QueuedElementResultSet) Err 

func (rs *QueuedElementResultSet) Err() error

Err returns the last error occurred.

func (*QueuedElementResultSet) ForEach 

func (rs *QueuedElementResultSet) ForEach(fn func(*QueuedElement) error) error

ForEach iterates over the complete result set passing every record found to the given callback. It is possible to stop the iteration by returning `kallax.ErrStop` in the callback. Result set is always closed at the end.

func (*QueuedElementResultSet) Get 

func (rs *QueuedElementResultSet) Get() (*QueuedElement, error)

Get retrieves the last fetched item from the result set and the last error.

func (*QueuedElementResultSet) Next 

func (rs *QueuedElementResultSet) Next() bool

Next fetches the next item in the result set and returns true if there is a next item. The result set is closed automatically when there are no more items.

func (*QueuedElementResultSet) One 

func (rs *QueuedElementResultSet) One() (*QueuedElement, error)

One returns the first record on the result set and closes the result set.

type QueuedElementStore 

type QueuedElementStore struct {
	*kallax.Store
}

QueuedElementStore is the entity to access the records of the type QueuedElement in the database.

func NewQueuedElementStore 

func NewQueuedElementStore(db *sql.DB) *QueuedElementStore

NewQueuedElementStore creates a new instance of QueuedElementStore using a SQL database.

func (*QueuedElementStore) Count 

func (s *QueuedElementStore) Count(q *QueuedElementQuery) (int64, error)

Count returns the number of rows that would be retrieved with the given query.

func (*QueuedElementStore) Debug 

func (s *QueuedElementStore) Debug() *QueuedElementStore

Debug returns a new store that will print all SQL statements to stdout using the log.Printf function.

func (*QueuedElementStore) DebugWith 

func (s *QueuedElementStore) DebugWith(logger kallax.LoggerFunc) *QueuedElementStore

DebugWith returns a new store that will print all SQL statements using the given logger function.

func (*QueuedElementStore) Delete 

func (s *QueuedElementStore) Delete(record *QueuedElement) error

Delete removes the given record from the database.

func (*QueuedElementStore) Find 

func (s *QueuedElementStore) Find(q *QueuedElementQuery) (*QueuedElementResultSet, error)

Find returns the set of results for the given query.

func (*QueuedElementStore) FindAll 

func (s *QueuedElementStore) FindAll(q *QueuedElementQuery) ([]*QueuedElement, error)

FindAll returns a list of all the rows returned by the given query.

func (*QueuedElementStore) FindOne 

func (s *QueuedElementStore) FindOne(q *QueuedElementQuery) (*QueuedElement, error)

FindOne returns the first row returned by the given query. `ErrNotFound` is returned if there are no results.

func (*QueuedElementStore) GenericStore 

func (s *QueuedElementStore) GenericStore() *kallax.Store

GenericStore returns the generic store of this store.

func (*QueuedElementStore) Insert 

func (s *QueuedElementStore) Insert(record *QueuedElement) error

Insert inserts a QueuedElement in the database. A non-persisted object is required for this operation.

func (*QueuedElementStore) MustCount 

func (s *QueuedElementStore) MustCount(q *QueuedElementQuery) int64

MustCount returns the number of rows that would be retrieved with the given query, but panics if there is an error.

func (*QueuedElementStore) MustFind 

func (s *QueuedElementStore) MustFind(q *QueuedElementQuery) *QueuedElementResultSet

MustFind returns the set of results for the given query, but panics if there is any error.

func (*QueuedElementStore) MustFindOne 

func (s *QueuedElementStore) MustFindOne(q *QueuedElementQuery) *QueuedElement

MustFindOne returns the first row retrieved by the given query. It panics if there is an error or if there are no rows.

func (*QueuedElementStore) Reload 

func (s *QueuedElementStore) Reload(record *QueuedElement) error

Reload refreshes the QueuedElement with the data in the database and makes it writable.

func (*QueuedElementStore) Save 

func (s *QueuedElementStore) Save(record *QueuedElement) (updated bool, err error)

Save inserts the object if the record is not persisted, otherwise it updates it. Same rules of Update and Insert apply depending on the case.

func (*QueuedElementStore) SetGenericStore 

func (s *QueuedElementStore) SetGenericStore(store *kallax.Store)

SetGenericStore changes the generic store of this store.

func (*QueuedElementStore) Transaction 

func (s *QueuedElementStore) Transaction(callback func(*QueuedElementStore) error) error

Transaction executes the given callback in a transaction and rollbacks if an error is returned. The transaction is only open in the store passed as a parameter to the callback.

func (*QueuedElementStore) Update 

func (s *QueuedElementStore) Update(record *QueuedElement, cols ...kallax.SchemaField) (updated int64, err error)

Update updates the given record on the database. If the columns are given, only these columns will be updated. Otherwise all of them will be. Be very careful with this, as you will have a potentially different object in memory but not on the database. Only writable records can be updated. Writable objects are those that have been just inserted or retrieved using a query with no custom select fields.

Source Files

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