level 1- 5

.gitignore

@@ -1,3 +1,9 @@
+#Other 
+middlewarePsql/
+controllers/chatControllers.js
+controllers/messageControllersSql.js
+chatData.js
+
 # Logs
 logs
 *.log

controllers/messageController.js

@@ -0,0 +1,150 @@
+const data = {
+  messages: require("../model/messages.json"),
+  setMessages: function (data) {
+    this.messages = data;
+  },
+};
+
+const getAllMessages = (req, res) => {
+  res.json(data.messages);
+};
+
+const creatMessage = (req, res) => {
+  const { from, text } = req.body;
+  const newMessage = {
+    id: data.messages[data.messages.length - 1].id + 1 || 1,
+    from,
+    text,
+    timeSent: new Date().toLocaleDateString(), // may change to date-fns when loaded,
+  };
+  if (!newMessage.from || !newMessage.text) {
+    return res.status(400).json({ message: "first name and text required" });
+  }
+
+  data.setMessages([...data.messages, newMessage]);
+
+  res.status(201).json({ message: "Message sent." });
+};
+
+const searchAllMessages = async (req, res) => {
+  try {
+    let filteredMessages = [];
+    const { term } = req.query;
+    console.log(term, "term");
+    if (!term) {
+      return res.status(400).json({ error: "Search term is required" });
+    }
+    console.log(data.messages.length > 1000);
+    if (data.messages.length > 1000) {
+      // if the messages are significant in size use async
+      filteredMessages = await new Promise((resolve, reject) => {
+        const matchingMessages = data.messages.filter((message) =>
+          message.text.toLowerCase().includes(term.toLowerCase())
+        );
+        resolve(matchingMessages);
+      });
+    }
+
+    filteredMessages = data.messages
+      .filter((message) => {
+        return (
+          message.from.toLowerCase().includes(term.toLowerCase()) ||
+          message.text.toLowerCase().includes(term.toLowerCase())
+        );
+      })
+      .sort((a, b) => (a.id > b.id ? 1 : a.id < b.id ? -1 : 0));
+
+    console.log(data.messages, "filtred mesage");
+    console.log(filteredMessages, "filtred2 mesage");
+    // could add logic to depeniding on screen size ,
+    // feature detection logic would be better placed in difrent middle ware?
+    if (!filteredMessages) {
+      return res.status(400).json({ message: `no message found` });
+    }
+    const messagesPerPage = 15;
+    const page = req.query.page || 1;
+    const startIndex = (page - 1) * messagesPerPage;
+    const endIndex = startIndex + messagesPerPage;
+    const pageMessages = filteredMessages.slice(startIndex, endIndex);
+
+    res.status(200).json(pageMessages);
+  } catch (error) {
+    console.error(error);
+    res.status(500).json({ error: "Internal server error" });
+  }
+};
+
+const searchAllByName = (req, res) => {
+  const userName = req.params.name.toLowerCase().trim();
+  if (!userName) {
+    return res.status(400).json({ message: `user ${userName} not found` });
+  }
+  const foundMessages = data.messages.filter((message) => message.from.toLowerCase() === userName);
+  if (!foundMessages) {
+    return res.status(400).json({ message: `no message found` });
+  }
+  const filteredMessages = foundMessages.sort((a, b) => (a.id > b.id ? 1 : a.id < b.id ? -1 : 0));
+  res.status(200).json(filteredMessages);
+};
+
+const getLatestMessages = (req, res) => {
+  const startIndex = Math.max(data.messages.length - 10, 0);
+  const latestMessages = data.messages.slice(startIndex);
+  if (!latestMessages) {
+    return res.status(400).json({ message: `no messages, please send one` });
+  }
+  res.status(200).json(latestMessages);
+};
+
+const getOneMessage = (req, res) => {
+  const id = req.params.id;
+
+  const message = data.messages.find((message) => message.id === parseInt(id));
+  if (!message) {
+    return res.status(400).json({ message: `no message found` });
+  }
+
+  res.status(200).json(message);
+};
+
+const updateMessage = (req, res) => {
+  const id = req.params.id;
+  const { text } = req.body;
+  const messageToUpdate = data.messages.find((msg) => msg.id === parseInt(id));
+
+  if (!messageToUpdate) {
+    //set res object status code , and body with message parsed as json
+    return res.status(400).json({ message: `message ID ${id} not found` });
+  }
+  if (req.body.text) messageToUpdate.text = text;
+  const filteredMessages = data.messages.filter(
+    (message) => message.id !== parseInt(req.params.id)
+  );
+  const unsortedMessages = [...filteredMessages, messageToUpdate];
+  data.setMessages(unsortedMessages.sort((a, b) => (a.id > b.id ? 1 : a.id < b.id ? -1 : 0)));
+
+  res.json(data.messages);
+};
+
+const deleteMessage = (req, res) => {
+  const id = req.params.id;
+  messages = data.messages.find((msg) => msg.id === parseInt(id));
+  if (!message) {
+    return res.status(400).json({ message: `Message ID ${id} not found` });
+  }
+  const filteredMessages = data.messages.filter(
+    (message) => message.id !== parseInt(req.params.id)
+  );
+  data.setMessages([...filteredMessages]);
+  res.json(data.messages);
+};
+module.exports = {
+  getAllMessages,
+  getOneMessage,
+  getLatestMessages,
+  creatMessage,
+  searchAllMessages,
+  searchAllByName,
+  updateMessage,
+  deleteMessage,
+};

model/messages.json

@@ -0,0 +1,62 @@
+[
+  {
+    "id": 1,
+    "from": "John",
+    "text": "Hello there!",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 2,
+    "from": "Alice",
+    "text": "How are you doing?",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 3,
+    "from": "Bob",
+    "text": "I'm doing great, thanks for asking!",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 4,
+    "from": "Eve",
+    "text": "What are you up to today?",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 5,
+    "from": "Mary",
+    "text": "Just relaxing at home. How about you?",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 6,
+    "from": "Sam",
+    "text": "I have a lot of work to do, unfortunately.",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 7,
+    "from": "Sara",
+    "text": "Are you going to the party tomorrow?",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 8,
+    "from": "Mike",
+    "text": "Yeah, I'm looking forward to it!",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 9,
+    "from": "Jane",
+    "text": "Me too! What are you going to wear?",
+    "timeSent": "4/27/2023"
+  },
+  {
+    "id": 10,
+    "from": "Peter",
+    "text": "I haven't decided yet. What about you?",
+    "timeSent": "4/27/2023"
+  }
+]