refactor(layout): consolidate backend codebase into backend/ package and clean root directory

- Moved cmd/, core/, plugins/, pkg/, downstream/, and main.go into backend/ directory
- Batch updated all Go source files to import github.com/Rain-kl/Wavelet/backend/...
- Updated Makefile, scripts/swagger.sh, architecture guards, and platform skills
- Passed all quality gates (100% tests, 0 lint issues, clean build)
This commit is contained in:
ryan
2026-08-28 12:56:02 +08:00
parent 33b38f8687
commit 43dc97e48c
319 changed files with 912 additions and 1031 deletions
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
import (
"context"
"time"
)
// UserDTO represents a unified user data transfer object across plugins.
type UserDTO struct {
ID uint64 `json:"id,string"`
Username string `json:"username"`
Nickname string `json:"nickname"`
Email string `json:"email"`
AvatarURL string `json:"avatar_url"`
IsActive bool `json:"is_active"`
IsAdmin bool `json:"is_admin"`
NeedChangePassword bool `json:"need_change_password,omitempty"`
Bio string `json:"bio,omitempty"`
Phone string `json:"phone,omitempty"`
Gender string `json:"gender,omitempty"`
Website string `json:"website,omitempty"`
Location string `json:"location,omitempty"`
LastLoginAt time.Time `json:"last_login_at"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
// TableName returns w_users.
func (UserDTO) TableName() string {
return "w_users"
}
// OAuthUserInfoDTO contains user identity claims obtained from an OAuth provider.
type OAuthUserInfoDTO struct {
ID uint64 `json:"id"`
Sub string `json:"sub"`
Username string `json:"username"`
PreferredUsername string `json:"preferred_username"`
Email string `json:"email"`
Name string `json:"name"`
Active bool `json:"active"`
AvatarURL string `json:"avatar_url"`
}
// OAuthProvider defines the pluggable OAuth provider contract.
type OAuthProvider interface {
Name() string
GetAuthURL(state string) string
ExchangeCode(ctx context.Context, code string) (*OAuthUserInfoDTO, error)
}
// AuthService defines the contract for authentication, session verification, and token management.
type AuthService interface {
// RequireAuthMiddleware returns a middleware handler (compatible with gin.HandlerFunc or standard middleware).
RequireAuthMiddleware() any
// RequireAdminMiddleware returns an admin authorization middleware.
RequireAdminMiddleware() any
// GetCurrentUser retrieves the authenticated UserDTO from context.
GetCurrentUser(ctx context.Context) (*UserDTO, error)
// GetCurrentUserID retrieves the authenticated user ID from session/context.
GetCurrentUserID(ctx context.Context) (uint64, error)
// VerifyToken validates an access token and returns the associated user DTO.
VerifyToken(ctx context.Context, token string) (*UserDTO, error)
// CreateSession establishes an authenticated session for the given user ID.
CreateSession(ctx context.Context, userID uint64, extras map[string]any) (string, error)
// RevokeToken invalidates a specific access token by its hash.
RevokeToken(ctx context.Context, tokenHash string) error
// RevokeUserSessions revokes all active sessions and cached tokens for a user.
RevokeUserSessions(ctx context.Context, userID uint64) error
// DisallowTokenAuthMiddleware returns a middleware that rejects requests authenticated via access token.
DisallowTokenAuthMiddleware() any
}
// AuthRegistry allows downstream and domain plugins to register custom authentication providers.
type AuthRegistry interface {
RegisterOAuthProvider(name string, provider OAuthProvider)
GetOAuthProvider(name string) (OAuthProvider, bool)
ListOAuthProviders() []string
}
// Auth context keys — stored in Gin context by auth middleware, consumed by domain plugins.
const (
AuthUserIDKey = "user_id"
AuthUserNameKey = "username"
AuthUserObjKey = "user_obj"
AuthTokenAuthKey = "token_auth" // marks if request uses access token auth
AuthTokenAdminKey = "token_admin" // whether the access token has admin privileges
)
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
import (
"context"
"errors"
"time"
)
// ErrCacheMiss is returned when an item is not found in the cache.
var ErrCacheMiss = errors.New("contracts/cache: key not found")
// CacheService defines the contract for multi-layer cache operations (RAM L1 + Redis L2 + Pub/Sub invalidation).
type CacheService interface {
// Get retrieves an item from cache into target. Returns ErrCacheMiss if not found.
Get(ctx context.Context, key string, target any) error
// Set stores an item into cache with a specified time-to-live duration.
Set(ctx context.Context, key string, value any, ttl time.Duration) error
// Delete evicts a key from local and remote cache tiers and broadcasts invalidation.
Delete(ctx context.Context, key string) error
// GetOrSet retrieves an item from cache, or calls loader to populate and return if missing.
GetOrSet(ctx context.Context, key string, target any, ttl time.Duration, loader func() (any, error)) error
// Invalidate is a semantic alias for Delete.
Invalidate(ctx context.Context, key string) error
}
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
import (
"context"
"gorm.io/gorm"
)
// DBService defines the standard contract for relational database access and multi-datasource routing.
type DBService interface {
// GORM returns the underlying GORM database instance.
GORM() *gorm.DB
// DB returns the GORM database instance bound to the given context.
DB(ctx context.Context) *gorm.DB
// Named returns a named database connection if multiple data sources or replicas are configured.
Named(name string) *gorm.DB
}
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
// ======================================================================
// Domain Event Topic Constants
// ======================================================================
//
// All cross-plugin domain event topics MUST be declared here so that
// producers and consumers share the same string values without importing
// each other's implementation packages.
// ======================================================================
// --- Auth & User Events ---
const (
// EventTopicAdminLoggedIn fires when an admin user logs in.
EventTopicAdminLoggedIn = "admin:logged_in"
// EventTopicUserCreated fires when a new user account is created.
EventTopicUserCreated = "user:created"
// EventTopicUserUpdated fires when a user profile is updated.
EventTopicUserUpdated = "user:updated"
// EventTopicUserDeleted fires when a user account is deleted.
EventTopicUserDeleted = "user:deleted"
)
// --- Admin & System Events ---
const (
// EventTopicConfigChanged fires when a system configuration value changes.
EventTopicConfigChanged = "admin:config_changed"
// EventTopicSystemCleanup fires when a periodic system cleanup completes.
EventTopicSystemCleanup = "admin:system_cleanup"
)
// --- Upload / Storage Events ---
const (
// EventTopicUploadCreated fires when a new file upload is recorded.
EventTopicUploadCreated = "upload:created"
// EventTopicUploadDeleted fires when a file upload is removed.
EventTopicUploadDeleted = "upload:deleted"
// EventTopicIngestComplete fires when a programmatic file ingest finishes.
EventTopicIngestComplete = "upload:ingest_complete"
)
// --- Message Gateway Events ---
const (
// EventTopicNotificationSent fires when a push notification is dispatched.
EventTopicNotificationSent = "message:notification_sent"
// EventTopicChannelBound fires when a user binds a messaging channel.
EventTopicChannelBound = "message:channel_bound"
// EventTopicChannelUnbound fires when a user unbinds a messaging channel.
EventTopicChannelUnbound = "message:channel_unbound"
)
// --- Risk Control Events ---
const (
// EventTopicAccessLogRecorded fires when a user access log entry is recorded.
EventTopicAccessLogRecorded = "risk:access_log_recorded"
)
// ======================================================================
// Domain Event Payload DTOs
// ======================================================================
// AdminLoggedIn 管理员登录领域事件载荷
type AdminLoggedIn struct {
User *UserDTO `json:"user"`
IP string `json:"ip"`
}
// UserCreatedEvent fires when a new user account is created.
type UserCreatedEvent struct {
User *UserDTO `json:"user"`
Password string `json:"-"`
}
// ConfigChangedEvent fires when a system configuration value changes.
type ConfigChangedEvent struct {
Key string `json:"key"`
OldVal any `json:"old_val,omitempty"`
NewVal any `json:"new_val,omitempty"`
}
// UploadCreatedEvent fires when a new file upload is recorded.
type UploadCreatedEvent struct {
UploadID uint64 `json:"upload_id,string"`
UserID uint64 `json:"user_id,string"`
FileName string `json:"file_name"`
FileSize int64 `json:"file_size"`
MimeType string `json:"mime_type"`
}
// NotificationSentEvent fires when a push notification is dispatched.
type NotificationSentEvent struct {
UserID uint64 `json:"user_id,string"`
Channel string `json:"channel"`
Title string `json:"title"`
Success bool `json:"success"`
ErrorInfo string `json:"error_info,omitempty"`
}
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
import (
"context"
)
// LoggerService defines the contract for structured logging with trace ID and context correlation.
type LoggerService interface {
// Debug logs a debug message with optional key-value structured fields.
Debug(ctx context.Context, msg string, keysAndValues ...any)
// Info logs an informational message with optional key-value structured fields.
Info(ctx context.Context, msg string, keysAndValues ...any)
// Warn logs a warning message with optional key-value structured fields.
Warn(ctx context.Context, msg string, keysAndValues ...any)
// Error logs an error message with optional key-value structured fields.
Error(ctx context.Context, msg string, keysAndValues ...any)
// Debugf logs a formatted debug message.
Debugf(ctx context.Context, format string, args ...any)
// Infof logs a formatted informational message.
Infof(ctx context.Context, format string, args ...any)
// Warnf logs a formatted warning message.
Warnf(ctx context.Context, format string, args ...any)
// Errorf logs a formatted error message.
Errorf(ctx context.Context, format string, args ...any)
// With returns a child logger enriched with additional key-value attributes.
With(keysAndValues ...any) LoggerService
}
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
import (
"context"
"io"
)
// StorageObject represents a retrieved file object from the storage backend.
type StorageObject struct {
Key string
CachePath string
Body io.ReadCloser
ContentLength int64
ContentType string
}
// StoragePutResult describes the output of a successful Put operation.
type StoragePutResult struct {
Key string
Bucket string
}
// IngestOptions configures programmatic ingest of files into the platform storage.
type IngestOptions struct {
UserID uint64
Type string
FileName string
MimeType string
Extension string
Size int64
Policy int
Metadata map[string]any
}
// IngestResult reports the outcome of a programmatic file ingest operation.
type IngestResult struct {
ID uint64
Key string
URL string
Created bool
Stored bool
Resolved bool
}
// StorageService defines the contract for unified object storage and managed file ingestion.
type StorageService interface {
// Put writes an object to storage.
Put(ctx context.Context, key string, body io.Reader, size int64, contentType string) (StoragePutResult, error)
// Get retrieves an object from storage.
Get(ctx context.Context, key string) (*StorageObject, error)
// Delete removes an object from storage.
Delete(ctx context.Context, key string) error
// Ingest performs managed file ingestion into the platform storage domain with deduplication and metadata tracking.
Ingest(ctx context.Context, reader io.Reader, opts IngestOptions) (*IngestResult, error)
}
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// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package contracts defines unified service interfaces and DTOs for cross-plugin communication.
package contracts
import (
"context"
)
// CreateUserRequest contains fields to register or create a new user.
type CreateUserRequest struct {
Username string `json:"username"`
Password string `json:"password"`
Nickname string `json:"nickname"`
Email string `json:"email"`
IsAdmin bool `json:"is_admin"`
}
// UpdateUserProfileRequest contains fields for updating a user's profile.
type UpdateUserProfileRequest struct {
Nickname *string `json:"nickname,omitempty"`
Email *string `json:"email,omitempty"`
AvatarURL *string `json:"avatar_url,omitempty"`
Bio *string `json:"bio,omitempty"`
Phone *string `json:"phone,omitempty"`
Gender *string `json:"gender,omitempty"`
Website *string `json:"website,omitempty"`
Location *string `json:"location,omitempty"`
}
// UserService defines the contract for user account management and profile queries.
type UserService interface {
// GetUserByID retrieves a user by ID.
GetUserByID(ctx context.Context, id uint64) (*UserDTO, error)
// GetUserByUsername retrieves a user by username.
GetUserByUsername(ctx context.Context, username string) (*UserDTO, error)
// GetUserByEmail retrieves a user by email.
GetUserByEmail(ctx context.Context, email string) (*UserDTO, error)
// CreateUser registers or creates a new user account.
CreateUser(ctx context.Context, req CreateUserRequest) (*UserDTO, error)
// UpdateProfile updates the profile of the specified user.
UpdateProfile(ctx context.Context, id uint64, req UpdateUserProfileRequest) (*UserDTO, error)
// UpdatePassword updates the password for the specified user after verifying the old password.
UpdatePassword(ctx context.Context, id uint64, oldPassword, newPassword string) error
// VerifyPassword verifies if the given password matches the user's password.
VerifyPassword(ctx context.Context, id uint64, password string) bool
// UpdateLastLogin updates the user's last login timestamp.
UpdateLastLogin(ctx context.Context, id uint64, ip string) error
// ListUsers returns a paginated list of users with optional keyword search.
ListUsers(ctx context.Context, page, pageSize int, keyword string) ([]*UserDTO, int64, error)
// SetUserActive sets the active/banned status for a user.
SetUserActive(ctx context.Context, id uint64, active bool) error
// SetUserAdmin sets the admin role status for a user.
SetUserAdmin(ctx context.Context, id uint64, admin bool) error
// VerifyAccessToken verifies an access token hash and returns the user DTO and isAdmin flag.
VerifyAccessToken(ctx context.Context, tokenHash string) (*UserDTO, bool, error)
// DeleteUser removes a user and related access tokens.
DeleteUser(ctx context.Context, id uint64) error
// CountUsers returns total user count.
CountUsers(ctx context.Context) (int64, error)
// CountActiveUsers returns active user count.
CountActiveUsers(ctx context.Context) (int64, error)
// GetFirstAdminUser returns the earliest admin user.
GetFirstAdminUser(ctx context.Context) (*UserDTO, error)
// UniqueUsername generates a unique username candidate based on base.
UniqueUsername(ctx context.Context, base string) (string, error)
}