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const mongoose = require('mongoose');
const messageSchema = new mongoose.Schema({
conversation: {
type: mongoose.Schema.Types.ObjectId,
ref: 'Conversation',
required: true
},
sender: {
type: mongoose.Schema.Types.ObjectId,
ref: 'User',
required: true
},
content: {
type: String,
required: function() { return !this.attachment; }
},
type: {
type: String,
enum: ['text', 'image', 'audio', 'file', 'system'],
default: 'text'
},
attachment: {
url: String,
filename: String,
originalName: String,
mimeType: String,
size: Number,
thumbnail: String,
duration: Number
},
replyTo: {
type: mongoose.Schema.Types.ObjectId,
ref: 'Message'
},
reactions: [{
user: mongoose.Schema.Types.ObjectId,
emoji: String,
createdAt: { type: Date, default: Date.now }
}],
edits: [{
content: String,
editedAt: { type: Date, default: Date.now }
}],
isEdited: {
type: Boolean,
default: false
},
isDeleted: {
type: Boolean,
default: false
},
deletedAt: Date,
readBy: [{
user: mongoose.Schema.Types.ObjectId,
readAt: { type: Date, default: Date.now }
}],
status: {
type: String,
enum: ['sending', 'sent', 'delivered', 'read'],
default: 'sent'
}
}, {
timestamps: true
});
messageSchema.index({ conversation: 1, createdAt: -1 });
messageSchema.index({ sender: 1 });
messageSchema.index({ 'readBy.user': 1 });
module.exports = mongoose.model('Message', messageSchema); |