commit 45afed0ad84618a9819bdf4d45553d03ebc89e32 · bretton.dev/coves

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internal/core/votes/interfaces.go

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       import "context"

     

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       // Service defines the business logic interface for votes

     

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       // Coordinates between Repository, user PDS, and vote validation

     

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       type Service interface {

     

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       	// CreateVote creates a new vote or toggles an existing vote

     

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       	// Flow: Validate -> Check existing vote -> Handle toggle logic -> Write to user's PDS -> Return URI/CID

     

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       	// AppView indexing happens asynchronously via Jetstream consumer

     

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       	// Toggle logic:

     

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       	//   - No vote -> Create vote

     

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       	//   - Same direction -> Delete vote (toggle off)

     

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       	//   - Different direction -> Delete old + Create new (toggle direction)

     

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       	CreateVote(ctx context.Context, voterDID string, userAccessToken string, req CreateVoteRequest) (*CreateVoteResponse, error)

     

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       	// DeleteVote removes a vote from a post/comment

     

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       	// Flow: Find vote -> Verify ownership -> Delete from user's PDS

     

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       	// AppView decrements vote count asynchronously via Jetstream consumer

     

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       	DeleteVote(ctx context.Context, voterDID string, userAccessToken string, req DeleteVoteRequest) error

     

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       	// GetVote retrieves a user's vote on a specific subject

     

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       	// Used to check vote state before creating/toggling

     

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       	GetVote(ctx context.Context, voterDID string, subjectURI string) (*Vote, error)

     

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       }

     

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       // Repository defines the data access interface for votes

     

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       // Used by Jetstream consumer to index votes from firehose

     

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       //

     

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       // Architecture: Votes are written directly by clients to their PDS using

     

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       // com.atproto.repo.createRecord/deleteRecord. This AppView indexes votes

     

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       // from Jetstream for aggregation and querying.

     

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       type Repository interface {

     

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       	// Create inserts a new vote into the AppView database

     

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       	// Called by Jetstream consumer after vote is created on PDS

     
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       	// GetByVoterAndSubject retrieves a user's vote on a specific subject

     

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       	// Used to check existing vote state

     

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       	GetByVoterAndSubject(ctx context.Context, voterDID string, subjectURI string) (*Vote, error)

     

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       	GetByVoterAndSubject(ctx context.Context, voterDID, subjectURI string) (*Vote, error)

     

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       	// Delete soft-deletes a vote (sets deleted_at)

     

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       	// Called by Jetstream consumer after vote is deleted from PDS

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internal/core/votes/vote.go

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       // Vote represents a vote in the AppView database

     

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       // Votes are indexed from the firehose after being written to user repositories

     

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       type Vote struct {

     

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       	ID         int64      `json:"id" db:"id"`

     

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       	CreatedAt  time.Time  `json:"createdAt" db:"created_at"`

     

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       	IndexedAt  time.Time  `json:"indexedAt" db:"indexed_at"`

     

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       	DeletedAt  *time.Time `json:"deletedAt,omitempty" db:"deleted_at"`

     

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       	URI        string     `json:"uri" db:"uri"`

     

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       	CID        string     `json:"cid" db:"cid"`

     

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       	RKey       string     `json:"rkey" db:"rkey"`

     

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       	VoterDID   string     `json:"voterDid" db:"voter_did"`

     

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       	SubjectURI string     `json:"subjectUri" db:"subject_uri"`

     

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       	SubjectCID string     `json:"subjectCid" db:"subject_cid"`

     

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       	Direction  string     `json:"direction" db:"direction"` // "up" or "down"

     

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       	CreatedAt  time.Time  `json:"createdAt" db:"created_at"`

     

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       	IndexedAt  time.Time  `json:"indexedAt" db:"indexed_at"`

     

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       	DeletedAt  *time.Time `json:"deletedAt,omitempty" db:"deleted_at"`

     

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       	Direction  string     `json:"direction" db:"direction"`

     

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       	ID         int64      `json:"id" db:"id"`

     

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       }

     

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       // CreateVoteRequest represents input for creating a new vote

     

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       // Matches social.coves.interaction.createVote lexicon input schema

     

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       type CreateVoteRequest struct {

     

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       	Subject   string `json:"subject"`   // AT-URI of post/comment

     

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       	Direction string `json:"direction"` // "up" or "down"

     

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       }

     

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       // CreateVoteResponse represents the response from creating a vote

     

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       // Matches social.coves.interaction.createVote lexicon output schema

     

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       type CreateVoteResponse struct {

     

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       	URI      string  `json:"uri"`                // AT-URI of created vote record

     

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       	CID      string  `json:"cid"`                // CID of created vote record

     

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       	Existing *string `json:"existing,omitempty"` // AT-URI of existing vote if updating

     

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       }

     

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       // DeleteVoteRequest represents input for deleting a vote

     

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       // Matches social.coves.interaction.deleteVote lexicon input schema

     

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       type DeleteVoteRequest struct {

     

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       	Subject string `json:"subject"` // AT-URI of post/comment

     

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       }

     

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       // VoteRecord represents the actual atProto record structure written to PDS

     

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       // VoteRecord represents the atProto record structure indexed from Jetstream

     

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       // This is the data structure that gets stored in the user's repository

     

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       type VoteRecord struct {

     

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       	Type      string            `json:"$type"`

     

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       	Subject   StrongRef         `json:"subject"`

     

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       	Direction string            `json:"direction"` // "up" or "down"

     

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       	CreatedAt string            `json:"createdAt"`

     

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       	Type      string    `json:"$type"`

     

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       	Subject   StrongRef `json:"subject"`

     

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       	Direction string    `json:"direction"` // "up" or "down"

     

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       	CreatedAt string    `json:"createdAt"`

     

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       }

     

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       // StrongRef represents a strong reference to a record (URI + CID)