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170 lines
6.9 KiB
170 lines
6.9 KiB
from fastapi import Depends, APIRouter, Query, Path
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from internal.models import *
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from internal.database import (
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fetch_one,
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fetch_all,
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execute_query,
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response_success,
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raise_if_exists,
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raise_if_not_found,
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)
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from dependencies import get_current_active_user
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import json
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router = APIRouter(prefix="/blogs", tags=["博客管理"])
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# 获取列表
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@router.get("/list")
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async def blog_list(page: int = Query(None), page_size: int = Query(None)):
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limit_clause = ""
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if page is not None and page_size is not None:
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offset = (page - 1) * page_size
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limit_clause = f"LIMIT {page_size} OFFSET {offset}"
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# 列表参数：博客名称、博客内容、创建时间、博客图片、博客查看时间、博客阅读次数、博客字数、类型名称、标签名列表
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select_query = f"""
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SELECT blogs.id,blogs.blogtitle, blogs.blogcontent, blogs.create_at, blogs.imglink,
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blogs.wordcount, blogtypes.typename,JSON_ARRAYAGG(labels.labelname) AS labelnames
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FROM blogs
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LEFT JOIN `blogtypes` ON blogs.typeid = blogtypes.id
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LEFT JOIN blog_label ON blog_label.blogid = blogs.id
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LEFT JOIN labels ON blog_label.labelid = labels.id
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GROUP BY blogs.id, blogs.blogtitle, blogs.blogcontent, blogs.create_at, blogs.imglink,
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blogs.wordcount, blogtypes.typename ORDER BY create_at DESC
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{limit_clause};
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"""
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blog_list = fetch_all(select_query)
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count_query = "SELECT COUNT(*) AS total FROM blogs;"
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total_records = fetch_one(count_query)["total"]
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return response_success({
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"blogs": blog_list,
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"total": total_records,
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}, "blog get list success")
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@router.get("/list/{id}")
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async def blog_one(id: int):
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# 列表参数：博客名称、博客内容、创建时间、博客图片、博客查看时间、博客阅读次数、博客字数、类型名称、标签名列表
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select_query = """
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SELECT id, blogtitle, blogcontent FROM blogs
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WHERE id = %s
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ORDER BY create_at DESC;
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"""
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blog_one = fetch_one(select_query, (id,))
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return response_success(blog_one, "blog get blog_one success")
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# 博客新增
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@router.post("/add")
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async def blog_add(blog: Blog, labels: list[Label], _: User = Depends(get_current_active_user)):
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select_query = "SELECT * FROM blogs WHERE blogtitle = %s"
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existing_blog = fetch_one(select_query, (blog.blogtitle,))
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raise_if_exists(existing_blog, "Blog already exists")
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insert_query = (
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"INSERT INTO blogs (blogtitle, blogcontent,imglink, typeid, descr) VALUES (%s, %s, %s, %s,%s)"
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)
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insert_data = (blog.blogtitle, blog.blogcontent,
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blog.imglink, blog.typeid, blog.descr)
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blog_id = execute_query(insert_query, insert_data, lastrowid=True)
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for label in labels:
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insert_label_query = "INSERT INTO blog_label (blogid, labelid) VALUES (%s, %s)"
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execute_query(insert_label_query, (blog_id, label.id))
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return {"message": "Blog created successfully", "blog_id": blog_id}
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# 博客删除
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@router.delete("/delete/{id}")
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async def blog_delete(id: str = Path(description="博客id")):
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select_query = "SELECT * FROM blogs WHERE id = %s"
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existing_blog = fetch_one(select_query, (id,))
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raise_if_not_found(existing_blog, "blog not found")
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insert_query = "DELETE FROM blogs WHERE id = %s"
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execute_query(insert_query, (id,))
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return response_success(message="blog delete success")
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@router.put("/update/{id}")
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async def blog_update(id: int, blog: Blog, labels: list[Label], _: User = Depends(get_current_active_user)):
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# 检查要编辑的博客是否存在
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select_query = "SELECT * FROM blogs WHERE id = %s"
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existing_blog = fetch_one(select_query, (id,))
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raise_if_not_found(existing_blog, "blog not found")
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# 更新博客信息
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update_query = (
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"UPDATE blogs SET blogtitle = %s, blogcontent = %s, imglink = %s, typeid = %s, descr = %s WHERE id = %s"
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)
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update_data = (blog.blogtitle, blog.blogcontent,
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blog.imglink, blog.typeid, blog.descr, id)
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execute_query(update_query, update_data)
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# 首先删除原有的关联标签
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delete_query = "DELETE FROM blog_label WHERE blogid = %s"
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execute_query(delete_query, (id,))
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# 然后插入新的关联标签
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for label in labels:
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insert_label_query = "INSERT INTO blog_label (blogid, labelid) VALUES (%s, %s)"
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execute_query(insert_label_query, (id, label.id))
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return response_success("blog update sucess")
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# 博客模糊查询
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@router.get("/list/search")
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async def blog_list_search(
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blogtitle: str = Query(None, description="博客标题"),
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typename: str = Query(None, description="博客类型"),
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start_date: str = Query(None, description="开始时间"),
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end_date: str = Query(None, description="结束时间"),
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):
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select_query = """
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SELECT blogs.id, blogtitle, blogcontent,wordcount, typename, create_at, update_at, blogs.descr,JSON_ARRAYAGG(labels.labelname) AS labelnames
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FROM blogs
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LEFT JOIN `blogtypes` ON blogs.typeid = blogtypes.id
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LEFT JOIN blog_label ON blogs.id = blog_label.blogid
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LEFT JOIN labels ON blog_label.labelid = labels.id
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WHERE 1=1
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"""
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params = []
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if blogtitle:
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select_query += " AND blogtitle LIKE %s"
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params.append(f"%{blogtitle}%")
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if typename:
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select_query += " AND typename LIKE %s"
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params.append(f"%{typename}%")
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if start_date:
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select_query += " AND create_at >= %s"
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params.append(start_date)
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if end_date:
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select_query += " AND create_at <= %s"
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params.append(end_date)
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select_query += "GROUP BY blogs.id, blogs.blogtitle, blogs.blogcontent,blogs.wordcount, blogtypes.typename, blogs.create_at, blogs.update_at, blogs.descr ORDER BY create_at DESC"
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blog_list = fetch_all(select_query, params=params, fetchall=True)
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return response_success(data=blog_list, message="blog serach succuessfully!")
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# 根据id查询博客
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@router.get("/list/search/{id}")
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async def get_id_blog(id: str = Path(description="博客id")):
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select_query = """SELECT blogs.id, blogtitle, blogcontent,wordcount, blogs.typeid, blogs.descr,JSON_ARRAYAGG(labels.id) AS labelnames,imglink FROM blogs
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LEFT JOIN `blogtypes` ON blogs.typeid = blogtypes.id
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LEFT JOIN blog_label ON blogs.id = blog_label.blogid
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LEFT JOIN labels ON blog_label.labelid = labels.id
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WHERE blogs.id = %s
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GROUP BY blogs.id;
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"""
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blog_list = execute_query(select_query, (id,))
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if blog_list and isinstance(blog_list, dict):
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if 'labelnames' in blog_list and isinstance(blog_list['labelnames'], str):
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try:
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blog_list['labelnames'] = json.loads(blog_list['labelnames'])
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except json.JSONDecodeError:
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blog_list['labelnames'] = []
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return response_success(data=blog_list, message="blog search success")
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# 我就测试一下
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