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Merge pull request #22 from ferry-go/feature/core/added-utilities
Feature/core/added utilities
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package ferry | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| const ( | ||
| GET = http.MethodGet | ||
| POST = http.MethodPost | ||
| PUT = http.MethodPut | ||
| DELETE = http.MethodDelete | ||
|
|
||
| // headers | ||
| ContentType = "Content-Type" | ||
| ContentDeposition = "Content-Disposition" | ||
| ApplicationJson = "application/json" | ||
| Attachment = "attachment" | ||
|
|
||
| routerRegexReplace = "[a-zA-Z0-9_-]*" | ||
|
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||
| // routing error messages | ||
| NotFoundMessage = "Not Found, Check URL" | ||
| ) | ||
|
|
||
| // Finds wild card in URL and replace them with a regex for, | ||
| // ex if path is /auth/:name -> /auth/[a-zA-Z0-9]* | ||
| // ex if path is /auth/name -> /auth/name | ||
| func findAndReplace(path string) string { | ||
| if !strings.Contains(path, ":") { | ||
| return fmt.Sprintf("%s%s%s", "^", path, "$") | ||
| } | ||
| result := "" | ||
| slitted := strings.Split(path, "/") | ||
| for _, v := range slitted { | ||
| if v == "" { | ||
| continue | ||
| } | ||
| if strings.Contains(v, ":") { | ||
| result = fmt.Sprintf("%s/%s", result, routerRegexReplace) | ||
| continue | ||
| } | ||
| result = fmt.Sprintf("%s/%s", result, v) | ||
| } | ||
| // replace slashes | ||
| result = strings.ReplaceAll(result, "/", "\\/") | ||
| result = fmt.Sprintf("%s%s%s", "^", result, "$") | ||
| return result | ||
| } | ||
|
|
||
| // routerPath /auth/:name | ||
| // requestPath /auth/madhuri | ||
| // paramName name | ||
| // returns madhuri | ||
| func extractParamFromPath(routerPath, requestPath, paramName string) string { | ||
| routerSplit := strings.Split(routerPath, "/") | ||
| requestSplit := strings.Split(requestPath, "/") | ||
| if len(routerSplit) != len(requestSplit) { | ||
| return "" | ||
| } | ||
| paramWithWildCard := fmt.Sprintf(":%s", paramName) | ||
| for k, v := range routerSplit { | ||
| if v == paramWithWildCard { | ||
| return requestSplit[k] | ||
| } | ||
| } | ||
| return "" | ||
| } | ||
|
|
||
| // routerPath /auth/:name/:age | ||
| // requestPath /auth/madhuri/32 | ||
| // returns { name: madhuri, age: 32 } | ||
| func getParamsFromPath(routerPath, requestPath string) map[string]string { | ||
| paramsMap := map[string]string{} | ||
| routerSplit := strings.Split(routerPath, "/") | ||
| requestSplit := strings.Split(requestPath, "/") | ||
| for k, v := range routerSplit { | ||
| if strings.Contains(v, ":") { | ||
| key := strings.ReplaceAll(v, ":", "") | ||
| paramsMap[key] = requestSplit[k] | ||
| } | ||
| } | ||
| return paramsMap | ||
| } | ||
|
|
||
| // returns value of a single query Param | ||
| // | ||
| // route path /hello?key=test&value=bbp | ||
| // | ||
| // keyValue = GetQueryParam(key) | ||
| // | ||
| // keyValue = test | ||
| func getAllQueryParams(queryPath string) map[string]string { | ||
| queryParamsMap := map[string]string{} | ||
| params := strings.Split(queryPath, "&") | ||
| for _, v := range params { | ||
| if strings.Contains(v, "=") { | ||
| pair := strings.Split(v, "=") | ||
| queryParamsMap[pair[0]] = pair[1] | ||
| } | ||
| } | ||
| return queryParamsMap | ||
| } | ||
|
|
||
| // returns map of query Params | ||
| // | ||
| // route path /hello?key=test&value=bbp | ||
| // | ||
| // returns {key : test, value : bbp} | ||
| func getQueryParam(querypath string, name string) string { | ||
| params := strings.Split(querypath, "&") | ||
| for _, v := range params { | ||
| if strings.Contains(v, "=") { | ||
| pair := strings.Split(v, "=") | ||
| if pair[0] == name { | ||
| return pair[1] | ||
| } | ||
| } | ||
| } | ||
| return "" | ||
| } | ||
|
|
||
| func getAttachmentHeader(fileName string) string { | ||
| if fileName == "" { | ||
| return fmt.Sprintf(Attachment) | ||
| } | ||
| return fmt.Sprintf("%s; filename=%s", Attachment, fileName) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package ferry | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/go-playground/assert/v2" | ||
| "regexp" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestAttachmentHeader(t *testing.T) { | ||
| fileName := "hey" | ||
| attachment := getAttachmentHeader(fileName) | ||
| attachmentExpected := fmt.Sprintf("%s; filename=%s", Attachment, fileName) | ||
| assert.Equal(t, attachment, attachmentExpected) | ||
| } | ||
|
|
||
| func TestPathParamRegex(t *testing.T) { | ||
| pathParam := "/auth/:name" | ||
| routerParam := "/auth/ferry" | ||
| regexParam := findAndReplace(pathParam) | ||
| assert.MatchRegex(t, routerParam, regexParam) | ||
| } | ||
|
|
||
| func TestPathParamRegexAbs(t *testing.T) { | ||
| pathParam := "/auth/ferry" | ||
| routerParam := "/auth/ferry" | ||
| regexParam := findAndReplace(pathParam) | ||
| assert.MatchRegex(t, routerParam, regexParam) | ||
| } | ||
|
|
||
| func TestPathParamRegexFail(t *testing.T) { | ||
| pathParam := "/auth/:name" | ||
| routerParam := "/auth/ferry/ss" | ||
| regexParam := findAndReplace(pathParam) | ||
| fail, _ := regexp.MatchString(routerParam, regexParam) | ||
| assert.Equal(t, false, fail) | ||
| } | ||
|
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||
| func TestGetParam(t *testing.T) { | ||
| name := "ferry" | ||
| pathParam := "/auth/:name/hello/:age" | ||
| routerParam := fmt.Sprintf("/auth/%s/hello/%d", name, 1) | ||
| wantedName := extractParamFromPath(pathParam, routerParam, "name") | ||
| assert.Equal(t, wantedName, name) | ||
| } | ||
|
|
||
| func TestGetParamEmpty(t *testing.T) { | ||
| name := "" | ||
| pathParam := "/auth/:name" | ||
| routerParam := "/auth/" + name | ||
| wantedName := extractParamFromPath(pathParam, routerParam, "names") | ||
| assert.Equal(t, wantedName, name) | ||
| } | ||
|
|
||
| func TestGetParams(t *testing.T) { | ||
| name := "ferry" | ||
| pathParam := "/auth/:name/hello/:age" | ||
| routerParam := fmt.Sprintf("/auth/%s/hello/%d", name, 1) | ||
| paramsMap := getParamsFromPath(pathParam, routerParam) | ||
| wantedParamsMap := map[string]string{ | ||
| "name": name, | ||
| "age": "1", | ||
| } | ||
| assert.Equal(t, paramsMap, wantedParamsMap) | ||
| } |