chore: snapshot production code before Apple Design UI refinement

2026-09-17 18:05:57 +08:00
parent 9f0a87f49e
commit f7e7176f88
90 changed files with 8990 additions and 328 deletions
@@ -0,0 +1,123 @@
+package dailygeo
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+)
+
+type Address struct{ Province, City, Region, Adcode string }
+type Resolver interface {
+	Resolve(context.Context, float64, float64) (Address, error)
+}
+type AMap struct {
+	Key, BaseURL string
+	Client       *http.Client
+}
+
+func (a *AMap) Resolve(ctx context.Context, lng, lat float64) (Address, error) {
+	if a.Key == "" {
+		return Address{}, fmt.Errorf("AMAP_API_KEY is not configured")
+	}
+	base := a.BaseURL
+	if base == "" {
+		base = "https://restapi.amap.com"
+	}
+	u, e := url.Parse(base + "/v3/geocode/regeo")
+	if e != nil {
+		return Address{}, fmt.Errorf("invalid geocoder URL")
+	}
+	x, y := WGS84ToGCJ02(lng, lat)
+	q := u.Query()
+	q.Set("key", a.Key)
+	q.Set("location", fmt.Sprintf("%.6f,%.6f", x, y))
+	q.Set("extensions", "base")
+	q.Set("radius", "1000")
+	u.RawQuery = q.Encode()
+	req, e := http.NewRequestWithContext(ctx, http.MethodGet, u.String(), nil)
+	if e != nil {
+		return Address{}, fmt.Errorf("invalid geocoder request")
+	}
+	client := a.Client
+	if client == nil {
+		client = &http.Client{Timeout: 10 * time.Second}
+	}
+	resp, e := client.Do(req)
+	if e != nil {
+		return Address{}, fmt.Errorf("geocoder request failed")
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return Address{}, fmt.Errorf("geocoder HTTP %d", resp.StatusCode)
+	}
+	var body struct {
+		Status    string
+		Infocode  string
+		Regeocode struct {
+			AddressComponent struct{ Province, City, District, Adcode json.RawMessage } `json:"addressComponent"`
+		}
+	}
+	if e = json.NewDecoder(io.LimitReader(resp.Body, 1<<20)).Decode(&body); e != nil {
+		return Address{}, fmt.Errorf("invalid geocoder response")
+	}
+	if body.Status != "1" {
+		return Address{}, fmt.Errorf("geocoder rejected: %s", body.Infocode)
+	}
+	p, c := textValue(body.Regeocode.AddressComponent.Province), textValue(body.Regeocode.AddressComponent.City)
+	if c == "" {
+		switch p {
+		case "北京市", "上海市", "天津市", "重庆市", "香港特别行政区", "澳门特别行政区":
+			c = p
+		}
+	}
+	// Province-administered county-level cities (for example 潜江市) are
+	// returned in district, with city=[], by AMap.
+	if c == "" && p != "" {
+		district := textValue(body.Regeocode.AddressComponent.District)
+		if strings.HasSuffix(district, "市") {
+			c = district
+		}
+	}
+	if p == "" || c == "" {
+		return Address{}, fmt.Errorf("geocoder returned incomplete province/city")
+	}
+	return Address{p, c, Region(p), textValue(body.Regeocode.AddressComponent.Adcode)}, nil
+}
+func textValue(raw json.RawMessage) string {
+	var s string
+	if json.Unmarshal(raw, &s) == nil {
+		return s
+	}
+	var ss []string
+	if json.Unmarshal(raw, &ss) == nil {
+		return strings.Join(ss, "")
+	}
+	return ""
+}
+func Region(province string) string {
+	groups := []struct {
+		name      string
+		provinces []string
+	}{
+		{"华东", []string{"上海", "江苏", "浙江", "安徽", "福建", "江西", "山东", "台湾"}},
+		{"华北", []string{"北京", "天津", "河北", "山西", "内蒙古"}},
+		{"华中", []string{"河南", "湖北", "湖南"}},
+		{"华南", []string{"广东", "广西", "海南", "香港", "澳门"}},
+		{"东北", []string{"辽宁", "吉林", "黑龙江"}},
+		{"西南", []string{"重庆", "四川", "贵州", "云南", "西藏"}},
+		{"西北", []string{"陕西", "甘肃", "青海", "宁夏", "新疆"}},
+	}
+	for _, g := range groups {
+		for _, p := range g.provinces {
+			if strings.HasPrefix(province, p) {
+				return g.name
+			}
+		}
+	}
+	return ""
+}