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Follows and relationships (#27)

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* Follows -- create and undo, both remote and local
* Statuses -- federate new posts, including media, attachments, CWs and image descriptions.
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Tobi Smethurst 2021-05-21 15:48:26 +02:00 • committed by GitHub
commit d839f27c30
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54 changed files with 2260 additions and 299 deletions
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29
internal/db/db.go
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@ -22,7 +22,6 @@ import (
"context"
"net"
"github.com/go-fed/activity/pub"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
@ -33,18 +32,28 @@ const (
// ErrNoEntries is to be returned from the DB interface when no entries are found for a given query.
type ErrNoEntries struct{}
func (e ErrNoEntries) Error() string {
return "no entries"
}
// ErrAlreadyExists is to be returned from the DB interface when an entry already exists for a given query or its constraints.
type ErrAlreadyExists struct{}
func (e ErrAlreadyExists) Error() string {
return "already exists"
}
type Where struct {
Key string
Value interface{}
}
// DB provides methods for interacting with an underlying database or other storage mechanism (for now, just postgres).
// Note that in all of the functions below, the passed interface should be a pointer or a slice, which will then be populated
// by whatever is returned from the database.
type DB interface {
// Federation returns an interface that's compatible with go-fed, for performing federation storage/retrieval functions.
// See: https://pkg.go.dev/github.com/go-fed/activity@v1.0.0/pub?utm_source=gopls#Database
Federation() pub.Database
// Federation() federatingdb.FederatingDB
/*
BASIC DB FUNCTIONALITY
@ -75,7 +84,7 @@ type DB interface {
// name of the key to select from.
// The given interface i will be set to the result of the query, whatever it is. Use a pointer or a slice.
// In case of no entries, a 'no entries' error will be returned
GetWhere(key string, value interface{}, i interface{}) error
GetWhere(where []Where, i interface{}) error
// // GetWhereMany gets one entry where key = value for *ALL* parameters passed as "where".
// // That is, if you pass 2 'where' entries, with 1 being Key username and Value test, and the second
@ -109,7 +118,7 @@ type DB interface {
// DeleteWhere deletes i where key = value
// If i didn't exist anyway, then no error should be returned.
DeleteWhere(key string, value interface{}, i interface{}) error
DeleteWhere(where []Where, i interface{}) error
/*
HANDY SHORTCUTS
@ -117,7 +126,9 @@ type DB interface {
// AcceptFollowRequest moves a follow request in the database from the follow_requests table to the follows table.
// In other words, it should create the follow, and delete the existing follow request.
AcceptFollowRequest(originAccountID string, targetAccountID string) error
//
// It will return the newly created follow for further processing.
AcceptFollowRequest(originAccountID string, targetAccountID string) (*gtsmodel.Follow, error)
// CreateInstanceAccount creates an account in the database with the same username as the instance host value.
// Ie., if the instance is hosted at 'example.org' the instance user will have a username of 'example.org'.
@ -204,6 +215,9 @@ type DB interface {
// That is, it returns true if account1 blocks account2, OR if account2 blocks account1.
Blocked(account1 string, account2 string) (bool, error)
// GetRelationship retrieves the relationship of the targetAccount to the requestingAccount.
GetRelationship(requestingAccount string, targetAccount string) (*gtsmodel.Relationship, error)
// StatusVisible returns true if targetStatus is visible to requestingAccount, based on the
// privacy settings of the status, and any blocks/mutes that might exist between the two accounts
// or account domains.
@ -222,6 +236,9 @@ type DB interface {
// Follows returns true if sourceAccount follows target account, or an error if something goes wrong while finding out.
Follows(sourceAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (bool, error)
// FollowRequested returns true if sourceAccount has requested to follow target account, or an error if something goes wrong while finding out.
FollowRequested(sourceAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (bool, error)
// Mutuals returns true if account1 and account2 both follow each other, or an error if something goes wrong while finding out.
Mutuals(account1 *gtsmodel.Account, account2 *gtsmodel.Account) (bool, error)