Files
dislate/internals/guilddb/guilddb.go
2024-08-13 21:04:54 -03:00

108 lines
4.2 KiB
Go

package guilddb
import (
"dislate/internals/translator/lang"
"errors"
)
type Message struct {
ID string
ChannelID string
Language lang.Language
OriginID *string
OriginChannelID *string
}
type Channel struct {
ID string
Language lang.Language
}
type ChannelGroup []Channel
type GuildDB interface {
// Selects and returns a Message from the database, based on the
// key pair of Channel's ID and Message's ID.
//
// Will return ErrNotFound if no message is found or ErrInternal.
Message(channelID, messageID string) (Message, error)
// Returns a slice of Messages with the provided Message.OriginChannelID and Message.OriginID.
//
// Will return ErrNotFound if no message is found (slice's length == 0) or ErrInternal.
MessagesWithOrigin(originChannelID, originID string) ([]Message, error)
// Returns a Messages with the provided Message.OriginChannelID, Message.OriginID
// and Message.Language.
//
// Will return ErrNotFound if no message is found or ErrInternal.
MessageWithOriginByLang(originChannelId, originId string, language lang.Language) (Message, error)
// Inserts a new Message object in the database.
//
// Message.ChannelID and Message.ID must be a unique pair and not already
// in the database. Implementations of this function may require Message.ChannelID
// to be an already stored Channel object, in the case that it isn't stored,
// ErrPreconditionFailed may be returned.
//
// Message.OriginID and Message.OriginChannelID should not be nil if the message
// is a translated one.
//
// Will return ErrNoAffect if the object already exists or ErrInternal.
MessageInsert(message Message) error
// Updates the Message object in the database. Message.ID and Message.ChannelID
// are used to find the correct message.
//
// Will return ErrNoAffect if no object was updated or ErrInternal.
MessageUpdate(message Message) error
// Deletes the Message object in the database. Message.ID and Message.ChannelID
// are used to find the correct message.
//
// Will return ErrNoAffect if no object was deleted or ErrInternal.
MessageDelete(message Message) error
// Selects and returns a Channel from the database, based on the
// ID provided.
//
// Will return ErrNotFound if no channel is found or ErrInternal.
Channel(channelID string) (Channel, error)
// Inserts a new Channel object in the database.
//
// Channel.ID must be unique and not already in the database.
//
// Will return ErrNoAffect if the object already exists or ErrInternal.
ChannelInsert(channel Channel) error
// Updates the Channel object in the database. Channel.ID is used to find the
// correct Channel.
//
// Will return ErrNoAffect if no object was updated or ErrInternal.
ChannelUpdate(channel Channel) error
// Deletes the Channel object in the database. Channel.ID is used to find the
// correct Channel.
//
// Will return ErrNoAffect if no object was updated or ErrInternal.
ChannelDelete(channel Channel) error
// Selects and returns a ChannelGroup from the database. Finds a ChannelGroup
// that has a Channel if the provided ID.
//
// Channels cannot be in two ChannelGroup at the same time.
//
// Will return ErrNotFound if no channel is found or ErrInternal.
ChannelGroup(channelID string) (ChannelGroup, error)
// Inserts a new ChannelGroup object in the database. ChannelGroup must be unique
// and not have Channels that are already in other groups.
//
// Will return ErrNoAffect if the object already exists or ErrInternal.
ChannelGroupInsert(group ChannelGroup) error
// Updates the ChannelGroup object in the database.
//
// Will return ErrNoAffect if no object was updated or ErrInternal.
ChannelGroupUpdate(channel ChannelGroup) error
// Deletes the ChannelGroup object in the database.
//
// Will return ErrNoAffect if no object was updated or ErrInternal.
ChannelGroupDelete(channel ChannelGroup) error
}
var ErrNoAffect = errors.New("Not able to affect anything in the database")
var ErrNotFound = errors.New("Object not found in the database")
var ErrPreconditionFailed = errors.New("Precondition failed")
var ErrInvalidObject = errors.New("Invalid object")
var ErrInternal = errors.New("Internal error while trying to use database")