Mainflux.mainflux/bootstrap/configs.go

117 lines
4.6 KiB
Go

// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0
package bootstrap
import (
"context"
"time"
"github.com/mainflux/mainflux/pkg/clients"
)
// Config represents Configuration entity. It wraps information about external entity
// as well as info about corresponding Mainflux entities.
// MFThing represents corresponding Mainflux Thing ID.
// MFKey is key of corresponding Mainflux Thing.
// MFChannels is a list of Mainflux Channels corresponding Mainflux Thing connects to.
type Config struct {
ThingID string `json:"thing_id"`
Owner string `json:"owner,omitempty"`
Name string `json:"name,omitempty"`
ClientCert string `json:"client_cert,omitempty"`
ClientKey string `json:"client_key,omitempty"`
CACert string `json:"ca_cert,omitempty"`
ThingKey string `json:"thing_key"`
Channels []Channel `json:"channels,omitempty"`
ExternalID string `json:"external_id"`
ExternalKey string `json:"external_key"`
Content string `json:"content,omitempty"`
State State `json:"state"`
}
// Channel represents Mainflux channel corresponding Mainflux Thing is connected to.
type Channel struct {
ID string `json:"id"`
Name string `json:"name,omitempty"`
Metadata map[string]interface{} `json:"metadata,omitempty"`
Owner string `json:"owner_id"`
Parent string `json:"parent_id,omitempty"`
Description string `json:"description,omitempty"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at,omitempty"`
UpdatedBy string `json:"updated_by,omitempty"`
Status clients.Status `json:"status"`
}
// Filter is used for the search filters.
type Filter struct {
FullMatch map[string]string
PartialMatch map[string]string
}
// ConfigsPage contains page related metadata as well as list of Configs that
// belong to this page.
type ConfigsPage struct {
Total uint64 `json:"total"`
Offset uint64 `json:"offset"`
Limit uint64 `json:"limit"`
Configs []Config `json:"configs"`
}
// ConfigRepository specifies a Config persistence API.
type ConfigRepository interface {
// Save persists the Config. Successful operation is indicated by non-nil
// error response.
Save(ctx context.Context, cfg Config, chsConnIDs []string) (string, error)
// RetrieveByID retrieves the Config having the provided identifier, that is owned
// by the specified user.
RetrieveByID(ctx context.Context, owner, id string) (Config, error)
// RetrieveAll retrieves a subset of Configs that are owned
// by the specific user, with given filter parameters.
RetrieveAll(ctx context.Context, owner string, filter Filter, offset, limit uint64) ConfigsPage
// RetrieveByExternalID returns Config for given external ID.
RetrieveByExternalID(ctx context.Context, externalID string) (Config, error)
// Update updates an existing Config. A non-nil error is returned
// to indicate operation failure.
Update(ctx context.Context, cfg Config) error
// UpdateCerts updates and returns an existing Config certificate and owner.
// A non-nil error is returned to indicate operation failure.
UpdateCert(ctx context.Context, owner, thingID, clientCert, clientKey, caCert string) (Config, error)
// UpdateConnections updates a list of Channels the Config is connected to
// adding new Channels if needed.
UpdateConnections(ctx context.Context, owner, id string, channels []Channel, connections []string) error
// Remove removes the Config having the provided identifier, that is owned
// by the specified user.
Remove(ctx context.Context, owner, id string) error
// ChangeState changes of the Config, that is owned by the specific user.
ChangeState(ctx context.Context, owner, id string, state State) error
// ListExisting retrieves those channels from the given list that exist in DB.
ListExisting(ctx context.Context, owner string, ids []string) ([]Channel, error)
// Methods RemoveThing, UpdateChannel, and RemoveChannel are related to
// event sourcing. That's why these methods surpass ownership check.
// RemoveThing removes Config of the Thing with the given ID.
RemoveThing(ctx context.Context, id string) error
// UpdateChannel updates channel with the given ID.
UpdateChannel(ctx context.Context, c Channel) error
// RemoveChannel removes channel with the given ID.
RemoveChannel(ctx context.Context, id string) error
// DisconnectHandler changes state of the Config when the corresponding Thing is
// disconnected from the Channel.
DisconnectThing(ctx context.Context, channelID, thingID string) error
}