Enable members to use skills

backend/app/api/main.py

@@ -1,6 +1,6 @@
 from fastapi import APIRouter
 
-from app.api.routes import items, login, members, teams, users, utils
+from app.api.routes import items, login, members, skills, teams, users, utils
 
 api_router = APIRouter()
 api_router.include_router(login.router, tags=["login"])
@@ -11,3 +11,4 @@
 api_router.include_router(
     members.router, prefix="/teams/{team_id}/members", tags=["members"]
 )
+api_router.include_router(skills.router, prefix="/skills", tags=["skills"])

backend/app/api/routes/members.py

@@ -1,7 +1,7 @@
 from typing import Any
 
 from fastapi import APIRouter, Depends, HTTPException
-from sqlmodel import func, select
+from sqlmodel import col, func, select
 
 from app.api.deps import CurrentUser, SessionDep
 from app.models import (
@@ -11,18 +11,32 @@
     MembersOut,
     MemberUpdate,
     Message,
+    Skill,
     Team,
 )
 
 router = APIRouter()
 
 
-def validate_unique_name_in_team(
-    session: SessionDep, team_id: int, id: int, member_in: MemberCreate | MemberUpdate
+def check_duplicate_names_on_create(
+    session: SessionDep, team_id: int, member_in: MemberCreate
+):
+    """Check if (name, team_id) is unique"""
+    statement = select(Member).where(
+        Member.name == member_in.name,
+        Member.belongs_to == team_id,
+    )
+    member_unique = session.exec(statement).first()
+    if member_unique:
+        raise HTTPException(
+            status_code=400, detail="Member with this name already exists"
+        )
+
+
+def check_duplicate_names_on_update(
+    session: SessionDep, team_id: int, member_in: MemberUpdate, id: int
 ):
     """Check if (name, team_id) is unique"""
-    if member_in.name is None:
-        return
     statement = select(Member).where(
         Member.name == member_in.name,
         Member.belongs_to == team_id,
@@ -112,7 +126,7 @@ def create_member(
     current_user: CurrentUser,
     team_id: int,
     member_in: MemberCreate,
-    _: bool = Depends(validate_unique_name_in_team),
+    _: bool = Depends(check_duplicate_names_on_create),
 ) -> Any:
     """
     Create new member.
@@ -136,7 +150,7 @@ def update_member(
     team_id: int,
     id: int,
     member_in: MemberUpdate,
-    _: bool = Depends(validate_unique_name_in_team),
+    _: bool = Depends(check_duplicate_names_on_update),
 ) -> Any:
     """
     Update a member.
@@ -163,6 +177,12 @@ def update_member(
     if not member:
         raise HTTPException(status_code=404, detail="Member not found")
 
+    # update member's skills if required
+    if member_in.skills is not None:
+        skill_ids = [skill.id for skill in member_in.skills]
+        skills = session.exec(select(Skill).where(col(Skill.id).in_(skill_ids))).all()
+        member.skills = skills
+
     update_dict = member_in.model_dump(exclude_unset=True)
     member.sqlmodel_update(update_dict)
     session.add(member)

backend/app/api/routes/skills.py

@@ -0,0 +1,38 @@
+from typing import Any
+
+from fastapi import APIRouter, HTTPException
+from sqlmodel import func, select
+
+from app.api.deps import SessionDep
+from app.models import (
+    Skill,
+    SkillOut,
+    SkillsOut,
+)
+
+router = APIRouter()
+
+
+@router.get("/", response_model=SkillsOut)
+def read_skills(session: SessionDep, skip: int = 0, limit: int = 100) -> Any:
+    """
+    Retrieve skills.
+    """
+    count_statement = select(func.count()).select_from(Skill)
+    count = session.exec(count_statement).one()
+
+    statement = select(Skill).offset(skip).limit(limit)
+    skills = session.exec(statement).all()
+
+    return SkillsOut(data=skills, count=count)
+
+
+@router.get("/{id}", response_model=SkillOut)
+def read_skill(session: SessionDep, id: int) -> Any:
+    """
+    Get skill by ID.
+    """
+    skill = session.get(Skill, id)
+    if not skill:
+        raise HTTPException(status_code=404, detail="Skill not found")
+    return skill

backend/app/api/routes/teams.py

@@ -62,16 +62,24 @@
 router = APIRouter()
 
 
-async def validate_unique_name(session: SessionDep, team_in: TeamCreate | TeamUpdate):
+async def check_duplicate_name_on_create(session: SessionDep, team_in: TeamCreate):
     """Validate that team name is unique"""
-    if team_in.name is None:
-        return
     statement = select(Team).where(Team.name == team_in.name)
     team = session.exec(statement).first()
     if team:
         raise HTTPException(status_code=400, detail="Team name already exists")
 
 
+async def check_duplicate_name_on_update(
+    session: SessionDep, team_in: TeamUpdate, id: int
+):
+    """Validate that team name is unique"""
+    statement = select(Team).where(Team.name == team_in.name, Team.id != id)
+    team = session.exec(statement).first()
+    if team:
+        raise HTTPException(status_code=400, detail="Team name already exists")
+
+
 @router.get("/", response_model=TeamsOut)
 def read_teams(
     session: SessionDep, current_user: CurrentUser, skip: int = 0, limit: int = 100
@@ -121,7 +129,7 @@ def create_team(
     session: SessionDep,
     current_user: CurrentUser,
     team_in: TeamCreate,
-    _: bool = Depends(validate_unique_name),
+    _: bool = Depends(check_duplicate_name_on_create),
 ) -> Any:
     """
     Create new team and it's team leader
@@ -155,7 +163,7 @@ def update_team(
     current_user: CurrentUser,
     id: int,
     team_in: TeamUpdate,
-    _: bool = Depends(validate_unique_name),
+    _: bool = Depends(check_duplicate_name_on_update),
 ) -> Any:
     """
     Update a team.
@@ -195,12 +203,19 @@ async def stream(
     """
     Stream a response to a user's input.
     """
+    # Get team and join members and skills
     team = session.get(Team, id)
     if not team:
         raise HTTPException(status_code=404, detail="Team not found")
     if not current_user.is_superuser and (team.owner_id != current_user.id):
         raise HTTPException(status_code=400, detail="Not enough permissions")
+
+    # Populate the skills for each member
+    members = team.members
+    for member in members:
+        member.skills = member.skills
+
     return StreamingResponse(
-        generator(team, team.members, team_chat.messages),
+        generator(team, members, team_chat.messages),
         media_type="text/event-stream",
     )

backend/app/core/db.py

@@ -2,7 +2,8 @@
 
 from app import crud
 from app.core.config import settings
-from app.models import User, UserCreate
+from app.core.graph.skills import all_skills
+from app.models import Skill, User, UserCreate
 
 engine = create_engine(str(settings.SQLALCHEMY_DATABASE_URI))
 
@@ -32,3 +33,19 @@ def init_db(session: Session) -> None:
             is_superuser=True,
         )
         user = crud.create_user(session=session, user_create=user_in)
+
+    existing_skills = session.exec(select(Skill)).all()
+    existing_skills_dict = {skill.name: skill for skill in existing_skills}
+
+    for skill_name, skill_info in all_skills.items():
+        if skill_name in existing_skills_dict:
+            existing_skill = existing_skills_dict[skill_name]
+            if existing_skill.description != skill_info.description:
+                # Update the existing skill's description
+                existing_skill.description = skill_info.description
+                session.add(existing_skill)  # Mark the modified object for saving
+        else:
+            new_skill = Skill(name=skill_name, description=skill_info.description)
+            session.add(new_skill)  # Prepare new skill for addition to the database
+
+    session.commit()

backend/app/core/graph/build.py

@@ -75,7 +75,7 @@ def convert_team_to_dict(team: Team, members: list[MemberModel]):
                 "name": member_name,
                 "backstory": member.backstory or "",
                 "role": member.role,
-                "tools": [],
+                "tools": [skill.name for skill in member.skills],
             }
 
         for nei_id in out_counts[member_id]:
@@ -173,6 +173,7 @@ async def generator(team: Team, members: list[Member], messages: list[ChatMessag
         for message in messages
     ]
 
+    # TODO: Figure out how to use async_stream to stream responses from subgraphs
     async for output in root.astream(
         {
             "messages": messages,

backend/app/core/graph/members.py

@@ -9,7 +9,7 @@
 from langchain_openai import ChatOpenAI
 from pydantic import BaseModel, Field
 
-from app.core.graph.tools import all_tools
+from app.core.graph.skills import all_skills
 
 
 class Person(BaseModel):
@@ -95,10 +95,10 @@ def create_agent(
         self, llm: ChatOpenAI, prompt: ChatPromptTemplate, tools: list[str]
     ):
         """Create the agent executor"""
-        tools = [all_tools[tool] for tool in tools]
+        tools = [all_skills[tool].tool for tool in tools]
         # Tools cannot be empty, add a placeholder
         if len(tools) < 1:
-            tools = [all_tools["nothing"]]
+            tools = [all_skills["nothing"].tool]
         agent = create_openai_functions_agent(llm, tools, prompt)
         executor = AgentExecutor(agent=agent, tools=tools)
         return executor

backend/app/core/graph/skills.py

@@ -0,0 +1,29 @@
+from collections.abc import Callable
+
+from langchain_community.tools import DuckDuckGoSearchRun, WikipediaQueryRun
+from langchain_community.utilities import WikipediaAPIWrapper
+from langchain_core.tools import tool
+from pydantic import BaseModel
+
+
+class SkillInfo(BaseModel):
+    description: str
+    tool: Callable
+
+
+@tool
+def nothing(query: str) -> str:
+    """Placeholder Tool. Does nothing"""
+    return ""
+
+
+all_skills: dict[str, SkillInfo] = {
+    "nothing": SkillInfo(description="Does nothing", tool=nothing),
+    "search": SkillInfo(
+        description="Searches the web using Duck Duck Go", tool=DuckDuckGoSearchRun()
+    ),
+    "wikipedia": SkillInfo(
+        description="Searches Wikipedia",
+        tool=WikipediaQueryRun(api_wrapper=WikipediaAPIWrapper()),
+    ),
+}

backend/app/models.py

@@ -205,6 +205,7 @@ class MemberUpdate(MemberBase):
     belongs_to: int | None = None
     position_x: float | None = None
     position_y: float | None = None
+    skills: list["Skill"] | None = None
 
 
 class Member(MemberBase, table=True):
@@ -223,6 +224,7 @@ class MemberOut(MemberBase):
     id: int
     belongs_to: int
     owner_of: int | None
+    skills: list["Skill"]
 
 
 class MembersOut(SQLModel):
@@ -238,17 +240,18 @@ class SkillBase(SQLModel):
     description: str | None = None
 
 
-class SkillCreate(SkillBase):
-    name: str
-
-
-class SkillUpdate(SkillBase):
-    name: str | None = None
-    description: str | None = None
-
-
 class Skill(SkillBase, table=True):
     id: int | None = Field(default=None, primary_key=True)
     members: list["Member"] = Relationship(
         back_populates="skills", link_model=MemberSkillsLink
     )
+
+
+class SkillsOut(SQLModel):
+    data: list[Skill]
+    count: int
+
+
+class SkillOut(SkillBase):
+    id: int
+    description: str | None