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django-vue3-admin-gd/backend/ai/models.py
2025-07-21 12:24:11 +08:00

365 lines
14 KiB
Python

from django.db import models
from ai.choices import PlatformChoices, MessageType
from backend import settings
from utils.models import CommonStatus, CoreModel
class AIApiKey(CoreModel):
""" AI API 密钥表 """
name = models.CharField(max_length=255, db_comment="名称", verbose_name="名称")
platform = models.CharField(
max_length=100,
choices=PlatformChoices.choices,
verbose_name="平台",
db_comment="平台"
)
api_key = models.CharField(max_length=255, db_comment="密钥", verbose_name="密钥")
url = models.CharField(max_length=255, null=True, blank=True, db_comment="自定义 API 地址", verbose_name="自定义 API 地址")
status = models.SmallIntegerField(
choices=CommonStatus.choices,
default=CommonStatus.DISABLED,
verbose_name="状态",
db_comment="状态",
)
class Meta:
db_table = "ai_api_key"
verbose_name = "AI API 密钥"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class AIModel(CoreModel):
""" AI 模型 """
name = models.CharField(max_length=64, db_comment="模型名字", verbose_name="模型名字")
sort = models.IntegerField(db_comment="排序", default=0, verbose_name="排序")
status = models.SmallIntegerField(
choices=CommonStatus.choices,
default=CommonStatus.DISABLED,
verbose_name="状态",
db_comment="状态",
)
key = models.ForeignKey(
'AIApiKey',
on_delete=models.CASCADE,
db_comment='API 秘钥编号', verbose_name="API 秘钥编号"
)
model_type = models.CharField(max_length=32, db_comment="模型类型", verbose_name="模型类型", blank=True, null=True)
platform = models.CharField(max_length=32, db_comment="模型平台", verbose_name="模型平台")
model = models.CharField(max_length=64, db_comment="模型标识", verbose_name="模型标识")
temperature = models.FloatField(null=True, blank=True, db_comment="温度参数", verbose_name="温度参数")
max_tokens = models.IntegerField(null=True, blank=True, db_comment="单条回复的最大 Token 数量", verbose_name="单条回复的最大 Token 数量")
max_contexts = models.IntegerField(null=True, blank=True, db_comment="上下文的最大 Message 数量", verbose_name="上下文的最大 Message 数量")
class Meta:
db_table = "ai_model"
verbose_name = "模型配置"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class Tool(CoreModel):
""" AI 工具表 """
name = models.CharField(max_length=128, verbose_name="工具名称", db_comment="工具名称")
description = models.CharField(max_length=256, null=True, blank=True, verbose_name="工具描述", db_comment="工具描述")
status = models.SmallIntegerField(verbose_name="状态", db_comment="状态", default=0)
class Meta:
db_table = "ai_tool"
verbose_name = "AI 工具"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class Knowledge(CoreModel):
""" AI 知识库表 """
name = models.CharField(max_length=255, verbose_name="知识库名称", db_comment="知识库名称")
description = models.TextField(null=True, blank=True, verbose_name="知识库描述", db_comment="知识库描述")
embedding_model_id = models.ForeignKey(
'AIModel',
on_delete=models.CASCADE,
db_column='embedding_model_id',
db_comment='向量模型编号', verbose_name="向量模型编号"
)
embedding_model = models.CharField(max_length=32, verbose_name="向量模型标识", db_comment="向量模型标识")
top_k = models.IntegerField(verbose_name="topK", db_comment="topK", default=0)
similarity_threshold = models.FloatField(verbose_name="相似度阈值", db_comment="相似度阈值")
status = models.SmallIntegerField(
choices=CommonStatus.choices,
default=CommonStatus.DISABLED,
verbose_name="状态",
db_comment="状态",
)
class Meta:
db_table = "ai_knowledge"
verbose_name = "AI 知识库"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class KnowledgeDocument(CoreModel):
""" AI 知识库文档表 """
knowledge = models.ForeignKey(
Knowledge,
on_delete=models.CASCADE,
related_name="documents",
verbose_name="知识库",
db_comment="知识库"
)
name = models.CharField(max_length=255, verbose_name="文档名称", db_comment="文档名称")
url = models.CharField(max_length=1024, verbose_name="文件 URL", db_comment="文件 URL")
content = models.TextField(verbose_name="内容", db_comment="内容")
content_length = models.IntegerField(verbose_name="字符数", db_comment="字符数")
tokens = models.IntegerField(verbose_name="token 数量", db_comment="token 数量")
segment_max_tokens = models.IntegerField(verbose_name="分片最大 Token 数", db_comment="分片最大 Token 数")
retrieval_count = models.IntegerField(default=0, verbose_name="召回次数", db_comment="召回次数")
status = models.SmallIntegerField(
choices=CommonStatus.choices,
default=CommonStatus.DISABLED,
verbose_name="状态",
db_comment="状态",
)
class Meta:
db_table = "ai_knowledge_document"
verbose_name = "AI 知识库文档"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class KnowledgeSegment(CoreModel):
""" AI 知识库分段表 """
knowledge = models.ForeignKey(
Knowledge,
on_delete=models.CASCADE,
related_name="segments",
verbose_name="知识库",
db_comment="知识库"
)
document = models.ForeignKey(
KnowledgeDocument,
on_delete=models.CASCADE,
related_name="segments",
verbose_name="文档",
db_comment="文档"
)
content = models.TextField(verbose_name="分段内容", db_comment="分段内容")
content_length = models.IntegerField(verbose_name="字符数", db_comment="字符数")
tokens = models.IntegerField(verbose_name="token 数量", db_comment="token 数量")
vector_id = models.CharField(
max_length=100,
null=True, blank=True,
verbose_name="向量库的编号",
db_comment="向量库的编号"
)
retrieval_count = models.IntegerField(default=0, verbose_name="召回次数", db_comment="召回次数")
status = models.SmallIntegerField(
choices=CommonStatus.choices,
default=CommonStatus.DISABLED,
verbose_name="状态",
db_comment="状态"
)
class Meta:
db_table = "ai_knowledge_segment"
verbose_name = "AI 知识库分段"
verbose_name_plural = verbose_name
def __str__(self):
return f"Segment {self.id}"
class ChatRole(CoreModel):
""" AI 聊天角色表 """
name = models.CharField(max_length=128, verbose_name="角色名称", db_comment="角色名称")
avatar = models.CharField(max_length=256, verbose_name="头像", db_comment="头像")
description = models.CharField(max_length=256, verbose_name="角色描述", db_comment="角色描述")
status = models.SmallIntegerField(
choices=CommonStatus.choices,
default=CommonStatus.DISABLED,
verbose_name="状态",
db_comment="状态"
)
sort = models.IntegerField(default=0, verbose_name="角色排序", db_comment="角色排序")
user = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True, blank=True,
on_delete=models.SET_NULL,
verbose_name="用户",
db_comment="用户编号"
)
public_status = models.BooleanField(default=False, verbose_name="是否公开", db_comment="是否公开")
category = models.CharField(max_length=32, null=True, blank=True, verbose_name="角色类别", db_comment="角色类别")
model_id = models.ForeignKey(
'AIModel',
on_delete=models.CASCADE,
db_column='model_id',
verbose_name="向量模型编号",
db_comment='向量模型编号'
)
system_message = models.CharField(
max_length=1024, null=True, blank=True,
verbose_name="角色上下文",
db_comment="角色上下文"
)
knowledge = models.ManyToManyField(
'Knowledge',
blank=True,
related_name="roles",
verbose_name="关联的知识库",
)
tools = models.ManyToManyField(
'Tool',
blank=True,
related_name="roles",
verbose_name="关联的工具",
)
class Meta:
db_table = "ai_chat_role"
verbose_name = "AI 聊天角色"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
class ChatConversation(CoreModel):
""" AI 聊天对话表 """
title = models.CharField(max_length=256, verbose_name="对话标题", db_comment="对话标题")
pinned = models.BooleanField(default=False, verbose_name="是否置顶", db_comment="是否置顶")
pinned_time = models.DateTimeField(null=True, blank=True, verbose_name="置顶时间", db_comment="置顶时间")
user = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True, blank=True,
on_delete=models.SET_NULL,
verbose_name="用户",
db_comment="用户编号"
)
role = models.ForeignKey(
'ChatRole',
null=True, blank=True,
on_delete=models.SET_NULL,
verbose_name="聊天角色",
db_comment="聊天角色"
)
model_id = models.ForeignKey(
'AIModel',
on_delete=models.CASCADE,
null=True, blank=True,
db_column='model_id',
verbose_name="向量模型编号",
db_comment='向量模型编号'
)
model = models.CharField(max_length=32, verbose_name="模型标识", db_comment="模型标识")
system_message = models.CharField(
max_length=1024, null=True, blank=True,
verbose_name="角色设定",
db_comment="角色设定"
)
temperature = models.FloatField(verbose_name="温度参数", db_comment="温度参数")
max_tokens = models.IntegerField(verbose_name="单条回复的最大 Token 数量", db_comment="单条回复的最大 Token 数量")
max_contexts = models.IntegerField(verbose_name="上下文的最大 Message 数量", db_comment="上下文的最大 Message 数量")
class Meta:
db_table = "ai_chat_conversation"
verbose_name = "AI 聊天对话"
verbose_name_plural = verbose_name
def __str__(self):
return self.title
class ChatMessage(CoreModel):
""" AI 聊天消息表 """
conversation_id = models.BigIntegerField(verbose_name="对话编号", db_comment="对话编号")
user = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True, blank=True,
on_delete=models.SET_NULL,
verbose_name="用户",
db_comment="用户编号"
)
role = models.ForeignKey(
'ChatRole',
null=True, blank=True,
on_delete=models.SET_NULL,
verbose_name="聊天角色",
db_comment="聊天角色"
)
model = models.CharField(max_length=32, verbose_name="模型标识", db_comment="模型标识")
model_id = models.ForeignKey(
'AIModel',
on_delete=models.CASCADE,
null=True, blank=True,
db_column='model_id',
verbose_name="向量模型编号",
db_comment='向量模型编号'
)
type = models.CharField(
max_length=16,
choices=MessageType.choices,
verbose_name="消息类型",
db_comment="消息类型",
)
reply_id = models.BigIntegerField(null=True, blank=True, verbose_name="回复编号", db_comment="回复编号")
content = models.CharField(max_length=2048, verbose_name="消息内容", db_comment="消息内容")
use_context = models.BooleanField(default=False, verbose_name="是否携带上下文", db_comment="是否携带上下文")
segment_ids = models.CharField(
max_length=2048, null=True, blank=True,
verbose_name="段落编号数组",
db_comment="段落编号数组"
)
class Meta:
db_table = "ai_chat_message"
verbose_name = "AI 聊天消息"
verbose_name_plural = verbose_name
def __str__(self):
return self.content[:30]
class Image(CoreModel):
user = models.ForeignKey(
settings.AUTH_USER_MODEL,
null=True, blank=True,
on_delete=models.SET_NULL,
verbose_name="用户",
db_comment="用户编号"
)
public_status = models.BooleanField(default=False, verbose_name='是否发布')
platform = models.CharField(max_length=64, verbose_name='平台')
model = models.CharField(max_length=64, verbose_name='模型')
prompt = models.TextField(max_length=2000, verbose_name='提示词')
width = models.IntegerField(verbose_name='图片宽度')
height = models.IntegerField(verbose_name='图片高度')
options = models.JSONField(null=True, verbose_name='绘制参数')
status = models.CharField(max_length=20, verbose_name='绘画状态')
pic_url = models.URLField(max_length=2048, null=True, verbose_name='图片地址')
error_message = models.CharField(max_length=1024, null=True, verbose_name='错误信息')
task_id = models.CharField(max_length=1024, null=True, verbose_name='任务编号')
buttons = models.CharField(max_length=2048, null=True, verbose_name='mj buttons 按钮')
class Meta:
db_table = 'ai_image'
verbose_name = 'AI 绘画表'
verbose_name_plural = verbose_name