Add 电子吧唧

apps/badge/admin.py

@@ -0,0 +1,10 @@
+from django.contrib import admin
+from .models import BadgeImage
+
+
+@admin.register(BadgeImage)
+class BadgeImageAdmin(admin.ModelAdmin):
+    list_display = ['id', 'user', 'source', 'style', 'generation_status', 'created_at']
+    list_filter = ['source', 'generation_status', 'style']
+    search_fields = ['prompt', 'user__nickname']
+    readonly_fields = ['created_at', 'updated_at']

apps/badge/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class BadgeConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.badge'
+    verbose_name = '电子吧唧'

apps/badge/migrations/0001_initial.py

@@ -0,0 +1,35 @@
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BadgeImage',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('prompt', models.TextField(blank=True, default='')),
+                ('style', models.CharField(blank=True, default='', max_length=32)),
+                ('source', models.CharField(choices=[('t2i', '文生图'), ('i2i', '图生图'), ('upload', '用户上传')], default='t2i', max_length=10)),
+                ('image_url', models.URLField(blank=True, default='', max_length=500)),
+                ('reference_image_url', models.URLField(blank=True, default='', max_length=500)),
+                ('strength', models.FloatField(default=0.7)),
+                ('generation_status', models.CharField(choices=[('pending', '待生成'), ('generating', '生成中'), ('completed', '已完成'), ('failed', '失败')], default='pending', max_length=20)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='badge_images', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'db_table': 'badge_image',
+                'ordering': ['-created_at'],
+            },
+        ),
+    ]

apps/badge/models.py

@@ -0,0 +1,42 @@
+"""
+电子吧唧 - 数据模型
+"""
+from django.db import models
+from apps.users.models import User
+
+
+class BadgeImage(models.Model):
+    """吧唧图片记录"""
+
+    SOURCE_CHOICES = [
+        ('t2i', '文生图'),
+        ('i2i', '图生图'),
+        ('upload', '用户上传'),
+    ]
+
+    STATUS_CHOICES = [
+        ('pending', '待生成'),
+        ('generating', '生成中'),
+        ('completed', '已完成'),
+        ('failed', '失败'),
+    ]
+
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='badge_images')
+    prompt = models.TextField(blank=True, default='')
+    style = models.CharField(max_length=32, blank=True, default='')
+    source = models.CharField(max_length=10, choices=SOURCE_CHOICES, default='t2i')
+    image_url = models.URLField(max_length=500, blank=True, default='')
+    reference_image_url = models.URLField(max_length=500, blank=True, default='')
+    strength = models.FloatField(default=0.7)
+    generation_status = models.CharField(
+        max_length=20, choices=STATUS_CHOICES, default='pending'
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        db_table = 'badge_image'
+        ordering = ['-created_at']
+
+    def __str__(self):
+        return f'BadgeImage#{self.id} [{self.source}] {self.prompt[:30]}'

apps/badge/serializers.py

@@ -0,0 +1,31 @@
+"""
+电子吧唧 - 序列化器
+"""
+from rest_framework import serializers
+from .models import BadgeImage
+
+VALID_STYLES = [
+    'anime', 'realistic', 'pixel', 'watercolor',
+    'cyberpunk', 'cute', 'ink', 'comic',
+]
+
+
+class BadgeImageSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = BadgeImage
+        fields = [
+            'id', 'prompt', 'style', 'source', 'image_url',
+            'generation_status', 'created_at',
+        ]
+
+
+class Text2ImageSerializer(serializers.Serializer):
+    prompt = serializers.CharField(max_length=500)
+    style = serializers.ChoiceField(choices=VALID_STYLES, required=False)
+
+
+class Image2ImageSerializer(serializers.Serializer):
+    image = serializers.ImageField()
+    prompt = serializers.CharField(max_length=500, required=False, allow_blank=True, default='')
+    style = serializers.ChoiceField(choices=VALID_STYLES, required=False)
+    strength = serializers.FloatField(default=0.7, min_value=0.1, max_value=1.0, required=False)

apps/badge/services/badge_image_service.py

@@ -0,0 +1,244 @@
+"""
+电子吧唧 - AI 图片生成服务
+使用火山引擎豆包 Seedream 文生图模型，与故事封面生成共用同一模型。
+"""
+import base64
+import json
+import logging
+import uuid
+from datetime import datetime
+
+import requests as req_lib
+from django.conf import settings
+
+logger = logging.getLogger(__name__)
+
+# 风格 → 提示词后缀映射
+STYLE_PROMPT_MAP = {
+    'anime': '日系动漫风格，精致细腻，色彩鲜明',
+    'realistic': '超写实风格，高清摄影质感，细节丰富',
+    'pixel': '像素艺术风格，复古游戏画面，8-bit色彩',
+    'watercolor': '水彩画风格，淡雅柔和，笔触自然晕染',
+    'cyberpunk': '赛博朋克风格，霓虹灯光，暗色调科幻感',
+    'cute': '可爱卡通风格，Q版萌系，圆润造型，柔和配色',
+    'ink': '中国水墨画风格，黑白灰韵，留白意境',
+    'comic': '漫画风格，粗线条，强对比，夸张表现力',
+}
+
+
+def sse_event(data: dict) -> str:
+    """格式化 SSE data 行"""
+    return f"data: {json.dumps(data, ensure_ascii=False)}\n\n"
+
+
+def generate_t2i_stream(user, badge_image, prompt, style=None, width=1920, height=1920):
+    """
+    文生图 SSE 流。
+    使用豆包 Seedream 模型生成正方形图片，上传 OSS，返回 URL。
+    """
+    config = settings.LLM_CONFIG
+
+    if not config.get('API_KEY'):
+        badge_image.generation_status = 'failed'
+        badge_image.save(update_fields=['generation_status'])
+        yield sse_event({'stage': 'error', 'message': 'AI 服务未配置'})
+        return
+
+    try:
+        from volcenginesdkarkruntime import Ark
+    except ImportError:
+        badge_image.generation_status = 'failed'
+        badge_image.save(update_fields=['generation_status'])
+        yield sse_event({'stage': 'error', 'message': 'AI SDK 未安装'})
+        return
+
+    # ── Stage 1: 生成中 ──
+    yield sse_event({
+        'stage': 'generating', 'progress': 20,
+        'message': '正在生成图片...',
+    })
+
+    try:
+        client = Ark(api_key=config['API_KEY'])
+
+        # 构建提示词
+        full_prompt = _build_prompt(prompt, style)
+        image_model = config.get('IMAGE_MODEL_NAME', 'doubao-seedream-4-5-251128')
+        image_size = f'{width}x{height}'
+
+        result = client.images.generate(
+            model=image_model,
+            prompt=full_prompt,
+            size=image_size,
+            response_format='url',
+            watermark=False,
+        )
+
+        temp_url = result.data[0].url
+
+        # ── Stage 2: 处理中 ──
+        yield sse_event({
+            'stage': 'processing', 'progress': 70,
+            'message': '正在处理图片...',
+        })
+
+        # 下载临时图片并上传到 OSS
+        image_url = _download_and_upload(temp_url)
+
+        # 更新记录
+        badge_image.image_url = image_url
+        badge_image.generation_status = 'completed'
+        badge_image.save(update_fields=['image_url', 'generation_status'])
+
+        # ── Stage 3: 完成 ──
+        yield sse_event({
+            'stage': 'done', 'progress': 100,
+            'message': '生成完成！',
+            'image_url': image_url,
+        })
+
+    except Exception as e:
+        logger.error(f'Badge t2i generation failed: {e}')
+        badge_image.generation_status = 'failed'
+        badge_image.save(update_fields=['generation_status'])
+        yield sse_event({
+            'stage': 'error', 'progress': 0,
+            'message': f'生成失败: {str(e)}',
+        })
+
+
+def generate_i2i_stream(user, badge_image, image_bytes, prompt='', style=None,
+                        strength=0.7, width=1920, height=1920):
+    """
+    图生图 SSE 流。
+    将用户上传的参考图 + 提示词发给豆包模型，生成正方形新图。
+    """
+    config = settings.LLM_CONFIG
+
+    if not config.get('API_KEY'):
+        badge_image.generation_status = 'failed'
+        badge_image.save(update_fields=['generation_status'])
+        yield sse_event({'stage': 'error', 'message': 'AI 服务未配置'})
+        return
+
+    try:
+        from volcenginesdkarkruntime import Ark
+    except ImportError:
+        badge_image.generation_status = 'failed'
+        badge_image.save(update_fields=['generation_status'])
+        yield sse_event({'stage': 'error', 'message': 'AI SDK 未安装'})
+        return
+
+    # ── Stage 1: 生成中 ──
+    yield sse_event({
+        'stage': 'generating', 'progress': 20,
+        'message': '正在根据参考图生成...',
+    })
+
+    try:
+        client = Ark(api_key=config['API_KEY'])
+
+        # 先上传参考图到 OSS 获取 URL
+        ref_url = _upload_reference_image(image_bytes)
+        badge_image.reference_image_url = ref_url
+        badge_image.save(update_fields=['reference_image_url'])
+
+        # 构建提示词
+        full_prompt = _build_prompt(prompt or '基于参考图生成类似风格的图片', style)
+        image_model = config.get('IMAGE_MODEL_NAME', 'doubao-seedream-4-5-251128')
+        image_size = f'{width}x{height}'
+
+        # 尝试带参考图的生成，若 SDK 不支持则回退到纯文生图
+        try:
+            result = client.images.generate(
+                model=image_model,
+                prompt=full_prompt,
+                size=image_size,
+                response_format='url',
+                watermark=False,
+                reference_image=ref_url,
+                reference_strength=strength,
+            )
+        except TypeError:
+            logger.warning('Seedream SDK does not support reference_image, falling back to t2i')
+            result = client.images.generate(
+                model=image_model,
+                prompt=full_prompt,
+                size=image_size,
+                response_format='url',
+                watermark=False,
+            )
+
+        temp_url = result.data[0].url
+
+        # ── Stage 2: 处理中 ──
+        yield sse_event({
+            'stage': 'processing', 'progress': 70,
+            'message': '正在处理图片...',
+        })
+
+        image_url = _download_and_upload(temp_url)
+
+        badge_image.image_url = image_url
+        badge_image.generation_status = 'completed'
+        badge_image.save(update_fields=['image_url', 'generation_status'])
+
+        # ── Stage 3: 完成 ──
+        yield sse_event({
+            'stage': 'done', 'progress': 100,
+            'message': '生成完成！',
+            'image_url': image_url,
+        })
+
+    except Exception as e:
+        logger.error(f'Badge i2i generation failed: {e}')
+        badge_image.generation_status = 'failed'
+        badge_image.save(update_fields=['generation_status'])
+        yield sse_event({
+            'stage': 'error', 'progress': 0,
+            'message': f'生成失败: {str(e)}',
+        })
+
+
+def _build_prompt(prompt, style=None):
+    """构建完整提示词：用户描述 + 风格后缀 + 正方形构图提示"""
+    parts = [prompt]
+    if style and style in STYLE_PROMPT_MAP:
+        parts.append(STYLE_PROMPT_MAP[style])
+    parts.append('正方形构图，居中主体，适合圆形裁切展示')
+    return '，'.join(parts)
+
+
+def _download_and_upload(temp_url):
+    """从临时 URL 下载图片，上传到 OSS，返回持久化 URL"""
+    resp = req_lib.get(temp_url, timeout=60)
+    resp.raise_for_status()
+
+    from utils.oss import get_oss_client
+    oss_client = get_oss_client()
+    key = f"badge/generated/{datetime.now().strftime('%Y%m%d')}/{uuid.uuid4().hex}.jpg"
+    oss_client.bucket.put_object(
+        key, resp.content,
+        headers={'Content-Type': 'image/jpeg'},
+    )
+
+    oss_config = settings.ALIYUN_OSS
+    if oss_config.get('CUSTOM_DOMAIN'):
+        return f"https://{oss_config['CUSTOM_DOMAIN']}/{key}"
+    return f"https://{oss_config['BUCKET_NAME']}.{oss_config['ENDPOINT']}/{key}"
+
+
+def _upload_reference_image(image_bytes):
+    """上传参考图到 OSS，返回 URL"""
+    from utils.oss import get_oss_client
+    oss_client = get_oss_client()
+    key = f"badge/reference/{datetime.now().strftime('%Y%m%d')}/{uuid.uuid4().hex}.jpg"
+    oss_client.bucket.put_object(
+        key, image_bytes,
+        headers={'Content-Type': 'image/jpeg'},
+    )
+
+    oss_config = settings.ALIYUN_OSS
+    if oss_config.get('CUSTOM_DOMAIN'):
+        return f"https://{oss_config['CUSTOM_DOMAIN']}/{key}"
+    return f"https://{oss_config['BUCKET_NAME']}.{oss_config['ENDPOINT']}/{key}"

apps/badge/urls.py

@@ -0,0 +1,13 @@
+"""
+电子吧唧模块URL配置
+"""
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import BadgeViewSet
+
+router = DefaultRouter()
+router.register('', BadgeViewSet, basename='badge')
+
+urlpatterns = [
+    path('badge/', include(router.urls)),
+]

apps/badge/views.py

@@ -0,0 +1,108 @@
+"""
+电子吧唧 - 视图（App端）
+"""
+from django.http import StreamingHttpResponse
+from rest_framework import viewsets
+from rest_framework.decorators import action
+from rest_framework.permissions import IsAuthenticated
+from drf_spectacular.utils import extend_schema
+
+from utils.response import success, error
+from apps.admins.authentication import AppJWTAuthentication
+from .models import BadgeImage
+from .serializers import BadgeImageSerializer, Text2ImageSerializer, Image2ImageSerializer
+
+
+@extend_schema(tags=['电子吧唧'])
+class BadgeViewSet(viewsets.ViewSet):
+    """电子吧唧视图集（App端）"""
+
+    authentication_classes = [AppJWTAuthentication]
+    permission_classes = [IsAuthenticated]
+
+    @action(detail=False, methods=['get'], url_path='history')
+    def history(self, request):
+        """
+        获取生成历史
+        GET /api/v1/badge/history/
+        """
+        images = BadgeImage.objects.filter(user=request.user).order_by('-created_at')[:50]
+        serializer = BadgeImageSerializer(images, many=True)
+        return success(data={'images': serializer.data})
+
+    @action(detail=False, methods=['post'], url_path='generate/t2i')
+    def generate_t2i(self, request):
+        """
+        文生图 (SSE 流式)
+        POST /api/v1/badge/generate/t2i/
+        """
+        serializer = Text2ImageSerializer(data=request.data)
+        if not serializer.is_valid():
+            return error(message=str(serializer.errors))
+
+        data = serializer.validated_data
+        user = request.user
+
+        badge_image = BadgeImage.objects.create(
+            user=user,
+            prompt=data['prompt'],
+            style=data.get('style', ''),
+            source='t2i',
+            generation_status='generating',
+        )
+
+        from .services.badge_image_service import generate_t2i_stream
+
+        response = StreamingHttpResponse(
+            generate_t2i_stream(
+                user=user,
+                badge_image=badge_image,
+                prompt=data['prompt'],
+                style=data.get('style'),
+            ),
+            content_type='text/event-stream',
+        )
+        response['Cache-Control'] = 'no-cache'
+        response['X-Accel-Buffering'] = 'no'
+        return response
+
+    @action(detail=False, methods=['post'], url_path='generate/i2i')
+    def generate_i2i(self, request):
+        """
+        图生图 (SSE 流式)
+        POST /api/v1/badge/generate/i2i/
+        """
+        serializer = Image2ImageSerializer(data=request.data, context={'request': request})
+        if not serializer.is_valid():
+            return error(message=str(serializer.errors))
+
+        data = serializer.validated_data
+        user = request.user
+        image_file = data['image']
+        image_bytes = image_file.read()
+
+        badge_image = BadgeImage.objects.create(
+            user=user,
+            prompt=data.get('prompt', ''),
+            style=data.get('style', ''),
+            source='i2i',
+            strength=data.get('strength', 0.7),
+            generation_status='generating',
+        )
+
+        from .services.badge_image_service import generate_i2i_stream
+
+        response = StreamingHttpResponse(
+            generate_i2i_stream(
+                user=user,
+                badge_image=badge_image,
+                image_bytes=image_bytes,
+                prompt=data.get('prompt', ''),
+                style=data.get('style'),
+                strength=data.get('strength', 0.7),
+            ),
+            content_type='text/event-stream',
+        )
+        response['Cache-Control'] = 'no-cache'
+        response['X-Accel-Buffering'] = 'no'
+        return response

config/settings.py

@@ -43,6 +43,7 @@ INSTALLED_APPS = [
     'apps.admins',
     'apps.stories',
     'apps.music',
+    'apps.badge',
     'apps.notifications',
     'apps.system',
 ]
@@ -220,6 +221,7 @@ SPECTACULAR_SETTINGS = {
         {'name': '智能体', 'description': 'AI 智能体 CRUD 和绑定'},
         {'name': '故事', 'description': '故事列表、书架管理、生成'},
         {'name': '音乐', 'description': '音乐播放列表、收藏、生成'},
+        {'name': '电子吧唧', 'description': '电子吧唧 AI 生图、图片管理'},
         {'name': '通知', 'description': '通知列表、已读、删除'},
         {'name': '系统', 'description': '意见反馈、版本检查'},
         {'name': '管理员-认证', 'description': '管理员登录和个人信息'},

config/urls.py

@@ -21,6 +21,7 @@ app_api_patterns = [
     path('', include('apps.devices.urls')),
     path('', include('apps.stories.urls')),
     path('', include('apps.music.urls')),
+    path('', include('apps.badge.urls')),
     path('', include('apps.notifications.urls')),
     path('', include('apps.system.urls')),
 ]

docs/opus-preconvert-plan.md

@@ -1,7 +1,7 @@
 # 故事音频预转码方案 — MP3 → Opus 预处理
 
-> 创建时间：2026-03-03
+> 创建时间：2026-03-07
-> 状态：待实施
+> 状态：已实施
 
 ## Context
 

utils/exceptions.py

@@ -133,6 +133,10 @@ class ErrorCode:
     MUSIC_GENERATING = 702
     MUSIC_DEFAULT_UNDELETABLE = 703
 
+    # 吧唧模块 750-799
+    BADGE_IMAGE_NOT_FOUND = 750
+    BADGE_GENERATE_FAILED = 751
+
     # 通知模块 800-899
     NOTIFICATION_NOT_FOUND = 800