feat: repository pattern

blueprints/user.py

@@ -0,0 +1,12 @@
+# /blueprints/user.py
+
+from flask import Blueprint, jsonify
+from controllers.user_controller import UserController
+
+user_blueprint = Blueprint("user", __name__)
+user_controller = UserController()
+
+
+@user_blueprint.route("/users", methods=["GET"])
+def get_users():
+    return user_controller.get_users()

controllers/lstm_controller.py

@@ -0,0 +1,17 @@
+
+
+# # Sample Data Preparation
+#     input_dim = 3  # Example input dimension
+#     hidden_dim = 5  # Example hidden dimension
+#     num_samples = 1000
+#     sequence_length = 10
+
+#     # Generate dummy data for training
+#     X = np.random.randn(num_samples, input_dim, 1)  # Shape (num_samples, input_dim, 1)
+#     y = np.random.randn(
+#         num_samples, hidden_dim, 1
+#     )  # Shape (num_samples, hidden_dim, 1)
+
+#     # Initialize and train the LSTM
+#     lstm = LSTM(input_dim, hidden_dim)
+#     lstm.train(X, y, num_epochs=10, learning_rate=0.01)

controllers/user_controller.py

@@ -0,0 +1,12 @@
+# /controllers/user_controller.py
+from flask import jsonify
+from services.user_service import UserService
+
+
+class UserController:
+    def __init__(self):
+        self.user_service = UserService()
+
+    def get_users(self):
+        users = self.user_service.get_all_users()
+        return jsonify(users)

lstm.py

@@ -1,58 +0,0 @@
-import numpy as np
-
-class LSTM:
-    def __init__(self, input_dim, hidden_dim):
-        # Initialize weights and biases
-        self.Wf = np.random.rand(hidden_dim, hidden_dim + input_dim)
-        self.bf = np.random.rand(hidden_dim, 1)
-        
-        self.Wi = np.random.rand(hidden_dim, hidden_dim + input_dim)
-        self.bi = np.random.rand(hidden_dim, 1)
-        
-        self.WC = np.random.rand(hidden_dim, hidden_dim + input_dim)
-        self.bC = np.random.rand(hidden_dim, 1)
-        
-        self.Wo = np.random.rand(hidden_dim, hidden_dim + input_dim)
-        self.bo = np.random.rand(hidden_dim, 1)
-
-    def sigmoid(self, x):
-        return 1 / (1 + np.exp(-x))
-
-    def tanh(self, x):
-        return np.tanh(x)
-
-    def forward(self, x_t, h_prev, C_prev):
-        # Combine previous hidden state and current input
-        combined = np.vstack((h_prev, x_t))
-
-        # Forget gate
-        f_t = self.sigmoid(np.dot(self.Wf, combined) + self.bf)
-
-        # Input gate
-        i_t = self.sigmoid(np.dot(self.Wi, combined) + self.bi)
-        C_tilde = self.tanh(np.dot(self.WC, combined) + self.bC)
-
-        # Cell state
-        C_t = f_t * C_prev + i_t * C_tilde
-
-        # Output gate
-        o_t = self.sigmoid(np.dot(self.Wo, combined) + self.bo)
-        h_t = o_t * self.tanh(C_t)
-
-        return h_t, C_t
-
-# Example usage
-input_dim = 5  # Input feature size
-hidden_dim = 3  # Number of hidden units
-lstm = LSTM(input_dim, hidden_dim)
-
-# Sample inputs
-h_prev = np.zeros((hidden_dim, 1))  # Previous hidden state
-C_prev = np.zeros((hidden_dim, 1))  # Previous cell state
-x_t = np.random.rand(input_dim, 1)   # Current input
-
-# Forward pass
-h_t, C_t = lstm.forward(x_t, h_prev, C_prev)
-
-print("Current hidden state:", h_t)
-print("Current cell state:", C_t)

main.py

@@ -1,12 +1,9 @@
 from flask import Flask
+from blueprints.user import user_blueprint
 
 app = Flask(__name__)
 
-@app.route('/')
+app.register_blueprint(user_blueprint, url_prefix="/api")
-def home():
-    return "Hello, World!"
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     app.run(debug=True)
-
-

repositories/user_repository.py

@@ -0,0 +1,3 @@
+class UserRepository:
+    def get_all_users(self):
+        return [{"id": 1, "name": "Alice"}, {"id": 2, "name": "Bob"}]

services/lstm.py

@@ -0,0 +1,53 @@
+import numpy as np
+
+
+class LSTM:
+    def __init__(self, input_dim, hidden_dim):
+        self.input_dim = input_dim
+        self.hidden_dim = hidden_dim
+        self.Wf = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.Wi = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.Wc = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.Wo = np.random.randn(hidden_dim, input_dim + hidden_dim) * 0.01
+        self.bf = np.zeros((hidden_dim, 1))
+        self.bi = np.zeros((hidden_dim, 1))
+        self.bc = np.zeros((hidden_dim, 1))
+        self.bo = np.zeros((hidden_dim, 1))
+        self.h = np.zeros((hidden_dim, 1))
+        self.c = np.zeros((hidden_dim, 1))
+
+    def sigmoid(self, x):
+        return 1 / (1 + np.exp(-x))
+
+    def tanh(self, x):
+        return np.tanh(x)
+
+    def forward(self, x_t):
+        combined = np.vstack((self.h, x_t))
+        f_t = self.sigmoid(np.dot(self.Wf, combined) + self.bf)
+        i_t = self.sigmoid(np.dot(self.Wi, combined) + self.bi)
+        C_tilde_t = self.tanh(np.dot(self.Wc, combined) + self.bc)
+        self.c = f_t * self.c + i_t * C_tilde_t
+        o_t = self.sigmoid(np.dot(self.Wo, combined) + self.bo)
+        self.h = o_t * self.tanh(self.c)
+        return self.h
+
+    def backward(self, x_t, h_t, y_t, learning_rate):
+        # Your backward pass implementation here
+        pass
+
+    def train(self, X, y, num_epochs, learning_rate):
+        for epoch in range(num_epochs):
+            for i in range(len(X)):
+                x_t = X[i]
+                y_t = y[i]
+
+                # Forward pass
+                h_t = self.forward(x_t)
+
+                # Calculate loss and perform backward pass
+                loss = np.mean((h_t - y_t) ** 2)  # Example loss
+                self.backward(x_t, h_t, y_t, learning_rate)
+
+                if i % 100 == 0:  # Print loss every 100 samples
+                    print(f"Epoch {epoch}, Sample {i}, Loss: {loss}")

services/user_service.py

@@ -0,0 +1,11 @@
+# /services/user_service.py
+
+from repositories.user_repository import UserRepository
+
+
+class UserService:
+    def __init__(self):
+        self.user_repository = UserRepository()
+
+    def get_all_users(self):
+        return self.user_repository.get_all_users()