49 lines
1.7 KiB
Go
49 lines
1.7 KiB
Go
package store
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import (
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"context"
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"errors"
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)
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// ErrLastAdmin is returned when demoting the only remaining admin.
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var ErrLastAdmin = errors.New("cannot demote the last admin")
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// Role is a user privilege level stored in users.role.
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type Role string
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const (
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RoleUser Role = "user"
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RoleAdmin Role = "admin"
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)
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// NewUser is the input for CreateUser.
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type NewUser struct {
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Username string
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PasswordHash string
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Role Role
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}
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// DB is the persistence API used by the web layer.
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// Named DB to avoid colliding with scs.Store.
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type DB interface {
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CreateUser(ctx context.Context, user NewUser) (*User, error)
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UserByID(ctx context.Context, id string) (*User, error)
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UserByUsername(ctx context.Context, username string) (*User, error)
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CountAdmins(ctx context.Context) (int, error)
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ListUsers(ctx context.Context) ([]User, error)
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SetRole(ctx context.Context, userID string, role Role) error
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CreateQuestion(ctx context.Context, authorID, title, body, city string) (*RankedQuestion, error)
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ListHunt(ctx context.Context, huntDate, viewerID string) ([]RankedQuestion, error)
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GetQuestion(ctx context.Context, id, viewerID string) (*RankedQuestion, error)
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Vote(ctx context.Context, userID, questionID string, value int) error
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GetAnswer(ctx context.Context, questionID string) (*Answer, error)
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UpsertAnswer(ctx context.Context, questionID, authorID, body string) error
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HideQuestion(ctx context.Context, id string) error
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UpdateProfile(ctx context.Context, userID, state, avatarURL string) error
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ListQuestionsByAuthor(ctx context.Context, authorID string) ([]RankedQuestion, error)
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ListQuestionsAnsweredBy(ctx context.Context, adminID string) ([]RankedQuestion, error)
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}
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// Compile-time check: *Store implements DB.
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var _ DB = (*Store)(nil)
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