Update Session to reflect asjustments to structure

src/lib/classes/sessions.ts

@@ -2,8 +2,8 @@ export interface ISessionBroker {
 
     createTable(): void
     createSessionFromUserID(userID: number): Session
-    getSessionFromUserID(userID: number) : Session
-    getSessionFromToken(token: string) : Session
+    getSessionFromUserID(userID: number) : Session|null
+    getSessionFromToken(token: string) : Session|null
 
 }
 

src/lib/db-utils/SQL/Sessions.sql

@@ -12,8 +12,14 @@ SELECT session_id, user_id, session_token,
 FROM sessions
 WHERE session_token = @token;
 
+SELECT session_id, user_id, session_token, 
+FROM sessions
+WHERE session_id = @userID;
+
 SELECT session_id, user_id, session_token, 
 FROM sessions
 WHERE session_id = @sessionID;
 
 
+
+

src/lib/db-utils/Sessions.ts

@@ -1,4 +1,4 @@
-import type { ISessionBroker, Session } from "$lib/classes/sessions"
+import { Session, type ISessionBroker } from "$lib/classes/sessions"
 import { SSLSnifferApp } from "./sqlite"
 
 class SessionDB {
@@ -14,16 +14,16 @@ class SessionDB {
     constructor(
         session_id: number,
         user_id: number,
-        session_string: string
+        session_token: string
     ) {
         this.session_id = session_id
         this.user_id = user_id
-        this.session_token = session_string
+        this.session_token = session_token
     }
 
 }
 
-export class SessionDBBroker implements ISessionBroker{
+export class SessionDBBroker implements ISessionBroker {
 
     private static initialized = false
 
@@ -33,8 +33,8 @@ export class SessionDBBroker implements ISessionBroker{
             throw Error("SessionBroker has already been initialized")
         }
     }
-    
-    
+
+
     createTable(): void {
 
         const stmt = SSLSnifferApp.prepare(
@@ -50,21 +50,149 @@ export class SessionDBBroker implements ISessionBroker{
 
         stmt.run()
         stmt.finalize()
+
     }
 
-    getSessionFromToken(token: string): Session {
-        throw new Error("Method not implemented.")
-    }
-    
     createSessionFromUserID(userID: number): Session {
-        throw new Error("Method not implemented.")
+
+        // Check for existing Sessions
+        const sessionCheck = this.getSessionFromUserID(userID)
+
+        if (sessionCheck) {
+            // UGLY: more specific
+            throw new Error("There's already a session associated with the user")
+        }
+
+        // Create new Session
+        const token : string = crypto.randomUUID();
+
+        // Insert into DB
+        const stmt = SSLSnifferApp.prepare(
+            `
+            INSERT INTO sessions (user_id, session_token) 
+            VALUES (@userID, @token);
+            `
+        )
+
+        stmt.run({
+            userID: userID,
+            token: token
+        })
+        stmt.finalize()
+
+        // Check if Session has been successfully created
+        const session = this.getSessionFromUserID(userID)
+
+        if (!session) {
+            // UGLY: more specific
+            throw new Error("Something wrong happened during the creationg of the session")
+        }
+
+        return session
+
     }
 
-    getSessionFromUserID(userID: number): Session {
-        throw new Error("Method not implemented.")
+    getSessionFromUserID(userID: number): Session | null {
+        const candidateSession = this.getSessionDBFromUserID(userID)
+
+        if (!candidateSession) {
+            return null
+        }
+
+        return new Session(
+            candidateSession.session_id,
+            candidateSession.session_token
+        )
     }
 
+    getSessionFromToken(token: string): Session | null {
+        const candidateSession = this.getSessionDBFromToken(token)
 
+        if (!candidateSession) {
+            return null
+        }
+
+        return new Session(
+            candidateSession.session_id,
+            candidateSession.session_token
+        )
+
+    }
+
+    private getSessionDBFromToken(token: string): SessionDB | null {
+
+        const stmt = SSLSnifferApp.prepare(
+            `
+            SELECT session_id, user_id, session_token, 
+            FROM sessions
+            WHERE session_token = @token;
+            `
+        )
+
+        const sessions = stmt.all({
+            token: token
+        })
+        stmt.finalize()
+
+        return this.parseSessionDBUnique(sessions)
+
+    }
+
+    private getSessionDBFromUserID(userID: number): SessionDB | null {
+        const stmt = SSLSnifferApp.prepare(
+            `
+            SELECT session_id, user_id, session_token, 
+            FROM sessions
+            WHERE session_id = @userID;
+            `
+        )
+
+        const sessions = stmt.all({
+            userID: userID
+        })
+        stmt.finalize()
+
+        return this.parseSessionDBUnique(sessions)
+    }
+
+    private getSessionDBFromSessionID(sessionID: number): SessionDB | null {
+
+        const stmt = SSLSnifferApp.prepare(
+            `
+            SELECT session_id, user_id, session_token, 
+            FROM sessions
+            WHERE session_id = @sessionID;
+            `
+        )
+
+        const sessions = stmt.all({
+            sessionID: sessionID
+        })
+        stmt.finalize()
+
+        return this.parseSessionDBUnique(sessions)
+    }
+
+    private parseSessionDBUnique(sessions: any[]) {
+
+        if (sessions.length > 1) {
+            // UGLY: be specific
+            throw new Error("Duplicate session?")
+        }
+
+        if (sessions.length < 1) {
+            return null
+        }
+
+        const session: any = sessions[0]
+
+        return new SessionDB(
+            session.session_id,
+            session.user_id,
+            session.session_token
+        )
+
+    }
 
 
 }