seller.go

1	package main
2
3	import (
4	"encoding/json"
5	"fmt"
6	"strconv"
7
8	"github.com/jftuga/geodist"
9	)
10
11	type Seller struct {
12	Nid string
13	Title string
14	Addr string
15	Addr1 string
16	Addr2 string
17	Distance float64
18	Phone string
19	Cot string
20	Pos geodist.Coord
21	// Lat float64
22	// Lng float64
23	LocationCategory string
24	AllBrands []string
25	AllPackages []string
26	}
27
28	func (s *Seller) UnmarshalJSON(data []byte) error {
29	seller := &struct {
30	Nid string `json:"nid"`
31	Title string `json:"title"`
32	Addr string `json:"addr"`
33	Addr1 string `json:"addr_1"`
34	Addr2 string `json:"addr_2"`
35	Distance string `json:"distance"`
36	Phone string `json:"phone"`
37	Cot string `json:"cot"`
38	Lat string `json:"lat"`
39	Lng string `json:"lng"`
40	LocationCategory string `json:"location_category"`
41	AllBrands []string `json:"all_brands"`
42	AllPackages []string `json:"all_packages"`
43	}{}
44	json.Unmarshal(data, &seller)
45
46	newSeller := Seller{
47	Nid: seller.Nid,
48	Title: seller.Title,
49	Addr: seller.Addr,
50	Addr1: seller.Addr1,
51	Addr2: seller.Addr2,
52	Phone: seller.Phone,
53	Cot: seller.Cot,
54	LocationCategory: seller.LocationCategory,
55	AllBrands: seller.AllBrands,
56	AllPackages: seller.AllPackages,
57	}
58
59	if len(seller.Distance) != 0 {
60	dist, err := strconv.ParseFloat(seller.Distance, 64)
61	if err != nil {
62	return err
63	}
64	newSeller.Distance = dist
65	}
66
67	if len(seller.Lat) > 0 && len(seller.Lng) > 0 {
68	lat, err := strconv.ParseFloat(seller.Lat, 64)
69	if err != nil {
70	return err
71	}
72
73	lng, err := strconv.ParseFloat(seller.Lng, 64)
74	if err != nil {
75	return err
76	}
77
78	newSeller.Pos = geodist.Coord{Lat: lat, Lon: lng}
79	}
80
81	*s = newSeller
82	return nil
83	}
84
85	func GetSellers(coords geodist.Coord) ([]Seller, error) {
86	lat := coords.Lat
87	latInt := int(lat)
88	lon := coords.Lon
89	lonInt := int(lon)
90	url := fmt.Sprintf("https://find.stonebrewing.com/api/search/%f,%f/%d,%d", lat, lon, latInt, lonInt)
91	bytes, err := getCachedUrl(url, "find-stone-beer", "2006-01-02")
92	if err != nil {
93	return nil, err
94	}
95
96	var sellers []Seller
97	err = json.Unmarshal(bytes, &sellers)
98	if err != nil {
99	return nil, fmt.Errorf("error unmarshalling json '%s': %w", string(bytes), err)
100	}
101	return sellers, nil
102	}