1
9
10 package config
11
12 import (
13 "net/http"
14 "strconv"
15
16 "github.com/gin-gonic/gin"
17 "gitlab.hexacode.org/go-libs/hctypes"
18 "gitlab.hexacode.org/go-libs/microservice/validate"
19 )
20
21 type ConfigTemplateContext struct {
22 Url string `json:"url,omitempty"`
23 Config *Config `json:"config,omitempty"`
24 ConfigTemplate *ConfigTemplate `json:"config_template,omitempty"`
25 URLParams hctypes.Dict `json:"url_params,omitempty"`
26 Headers hctypes.Dict `json:"headers,omitempty"`
27 Request *http.Request `json:"-"`
28 Writer http.ResponseWriter `json:"-"`
29 }
30
31 type ConfigTemplate struct {
32 Name string `json:"name,omitempty"`
33 Path string `json:"path,omitempty"`
34 FilePath string `json:"file_path,omitempty"`
35 Callback *ConfigTemplateCallback `json:"callback,omitempty"`
36 URLParams []*validate.Options `json:"url_params,omitempty"`
37 config *Config `json:"-"`
38 }
39
40 func (config_template *ConfigTemplate) HTTPHandler(ctx *gin.Context) {
41 url_params := hctypes.Dict{}
42 headers := hctypes.Dict{}
43
44 raw_headers := ctx.Request.Header.Clone()
45
46 for k, v := range raw_headers {
47 headers[k] = hctypes.String(v[0])
48 }
49
50 for _, param := range ctx.Params {
51 url_params[param.Key] = hctypes.String(param.Value)
52 }
53
54 ret := config_template.Callback.function(&ConfigTemplateContext{
55 Url: ctx.Request.URL.Path,
56 Config: config_template.config,
57 ConfigTemplate: config_template,
58 URLParams: url_params,
59 Headers: headers,
60 Request: ctx.Request,
61 Writer: ctx.Writer,
62 })
63
64 meta := "null"
65
66 if ret != nil {
67 meta = string(ret.ToJson())
68 }
69
70 template, err := NewTemplateFromFile(config_template.FilePath)
71
72 if err != nil {
73 ctx.String(http.StatusInternalServerError, "500 Internal Server Error")
74 return
75 }
76
77 render, err := template.Render(hctypes.Dict{
78 "meta": hctypes.String(meta),
79 })
80
81 if err != nil {
82 ctx.String(http.StatusInternalServerError, "500 Internal Server Error")
83 return
84 }
85
86 ctx.Writer.WriteHeader(http.StatusOK)
87 ctx.Writer.Header().Set("Content-Type", "text/html; charset=utf-8")
88 ctx.Writer.Header().Set("Content-Length", strconv.Itoa(len(render)))
89 ctx.Writer.WriteHeaderNow()
90 ctx.Writer.Write([]byte(render))
91 }
92
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