node-starter/src/services/Service.js at bf65b9bbc6e6094ff4ba605a7f1e9ecdf01a05b2 · sudoish/node-starter · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
import mongoose from "mongoose";

class Service {
  constructor(model) {
    this.model = model;
    this.getAll = this.getAll.bind(this);
    this.insert = this.insert.bind(this);
    this.update = this.update.bind(this);
    this.delete = this.delete.bind(this);
  }

  async getAll(query) {
    let { skip, limit } = query;

    skip = skip ? Number(skip) : 0;
    limit = limit ? Number(limit) : 10;

    delete query.skip;
    delete query.limit;

    if (query._id) {
      try {
        query._id = new mongoose.mongo.ObjectId(query._id);
      } catch (error) {
        console.log("not able to generate mongoose id with content", query._id);
      }
    }

    try {
      let items = await this.model
        .find(query)
        .skip(skip)
        .limit(limit);
      let total = await this.model.countDocuments();

      return {
        error: false,
        statusCode: 200,
        data: items,
        total
      };
    } catch (errors) {
      return {
        error: true,
        statusCode: 500,
        errors
      };
    }
  }

  async insert(data) {
    try {
      let item = await this.model.create(data);
      if (item)
        return {
          error: false,
          item
        };
    } catch (error) {
      console.log("error", error);
      return {
        error: true,
        statusCode: 500,
        message: error.errmsg || "Not able to create item",
        errors: error.errors
      };
    }
  }

  async update(id, data) {
    try {
      let item = await this.model.findByIdAndUpdate(id, data, { new: true });
      if (!item)
        return {
          error: true,
          statusCode: 404,
          message: "item not found"
        };

      return {
        error: false,
        statusCode: 202,
        item
      };
    } catch (error) {
      return {
        error: true,
        statusCode: 500,
        error
      };
    }
  }

  async delete(id) {
    try {
      let item = await this.model.findByIdAndDelete(id);
      if (!item)
        return {
          error: true,
          statusCode: 404,
          message: "item not found"
        };

      console.log("removed item", item);

      if (item.path) {
        console.log("unlink item", item.path);
        fs.unlink(item.path, function(err) {
          if (err) {
            console.log("error deleting file");
            throw err;
          }
          console.log("File deleted!");
        });
      }

      return {
        error: false,
        deleted: true,
        statusCode: 202,
        item
      };
    } catch (error) {
      return {
        error: true,
        statusCode: 500,
        error
      };
    }
  }
}

export default Service;