1

backend/app/main.py

@@ -8,7 +8,7 @@ from fastapi.responses import FileResponse, PlainTextResponse
 
 from backend.app.config import settings
 from backend.app.managers.knowledge_manager import DuplicateSourceError, KnowledgeManager
-from backend.app.models.schemas import MarkdownUpdate, SubjectCreate, WeekCreate, WeekUpdate
+from backend.app.models.schemas import MarkdownUpdate, SubjectCreate, SubjectUpdate, WeekCreate, WeekUpdate
 from backend.app.services.ingestion_service import IngestionService
 
 app = FastAPI(title="Knowledge Station", version="0.1.0")
@@ -60,6 +60,14 @@ def get_subject(subject_id: int) -> dict:
         raise HTTPException(status_code=404, detail=str(exc)) from exc
 
 
+@app.put("/subjects/{subject_id}")
+def update_subject(subject_id: int, payload: SubjectUpdate) -> dict:
+    try:
+        return manager.update_subject(subject_id, payload.name)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+
+
 @app.delete("/subjects/{subject_id}")
 def delete_subject(subject_id: int) -> dict:
     try:

backend/app/managers/knowledge_manager.py

@@ -154,6 +154,14 @@ class KnowledgeManager:
             raise ValueError("Materia no encontrada")
         return dict(row)
 
+    def update_subject(self, subject_id: int, name: str) -> dict[str, Any]:
+        if not name.strip():
+            raise ValueError("El nombre de la materia no puede estar vacio")
+        self.get_subject(subject_id)
+        with self._connect() as conn:
+            conn.execute("update subjects set name = ? where id = ?", (name.strip(), subject_id))
+        return self.get_subject(subject_id)
+
     def delete_subject(self, subject_id: int) -> None:
         subject = self.get_subject(subject_id)
         with self._connect() as conn:
@@ -224,6 +232,8 @@ class KnowledgeManager:
     def update_week(self, subject_id: int, current_number: int, new_number: int, title: str | None = None) -> dict[str, Any]:
         subject = self.get_subject(subject_id)
         week = self.get_week(subject_id, current_number)
+        old_dir: Path | None = None
+        new_dir: Path | None = None
         if new_number != current_number:
             with self._connect() as conn:
                 existing = conn.execute(
@@ -248,6 +258,22 @@ class KnowledgeManager:
                 "update weeks set number = ?, title = ? where id = ?",
                 (new_number, title, week["id"]),
             )
+            if old_dir and new_dir:
+                old_prefix = str(old_dir)
+                new_prefix = str(new_dir)
+                conn.execute(
+                    "update sources set stored_path = replace(stored_path, ?, ?) where week_id = ? and stored_path like ?",
+                    (old_prefix, new_prefix, week["id"], f"{old_prefix}%"),
+                )
+                conn.execute(
+                    """
+                    update documents
+                    set markdown_path = replace(markdown_path, ?, ?)
+                    where source_id in (select id from sources where week_id = ?)
+                      and markdown_path like ?
+                    """,
+                    (old_prefix, new_prefix, week["id"], f"{old_prefix}%"),
+                )
         return self.get_week(subject_id, new_number)
 
     def week_dir(self, subject_slug: str, week_number: int) -> Path:

backend/app/models/schemas.py

@@ -8,6 +8,10 @@ class SubjectCreate(BaseModel):
     name: str = Field(min_length=1)
 
 
+class SubjectUpdate(BaseModel):
+    name: str = Field(min_length=1)
+
+
 class Subject(BaseModel):
     id: int
     name: str