gotosocial/internal/router/template.go

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/*
GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package router
import (
"fmt"
"html/template"
"os"
"path/filepath"
"time"
"github.com/gin-gonic/gin"
"github.com/spf13/viper"
"github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/config"
)
// LoadTemplates loads html templates for use by the given engine
func loadTemplates(engine *gin.Engine) error {
cwd, err := os.Getwd()
if err != nil {
return fmt.Errorf("error getting current working directory: %s", err)
}
templateBaseDir := viper.GetString(config.Keys.WebTemplateBaseDir)
_, err = os.Stat(filepath.Join(cwd, templateBaseDir, "index.tmpl"))
if err != nil {
return fmt.Errorf("%s doesn't seem to contain the templates; index.tmpl is missing: %s", filepath.Join(cwd, templateBaseDir), err)
}
tmPath := filepath.Join(cwd, fmt.Sprintf("%s*", templateBaseDir))
engine.LoadHTMLGlob(tmPath)
return nil
}
func oddOrEven(n int) string {
if n%2 == 0 {
return "even"
}
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return "odd"
}
func noescape(str string) template.HTML {
/* #nosec G203 */
return template.HTML(str)
}
func timestamp(stamp string) string {
t, _ := time.Parse(time.RFC3339, stamp)
return t.Format("January 2, 2006, 15:04:05")
}
func timestampShort(stamp string) string {
t, _ := time.Parse(time.RFC3339, stamp)
return t.Format("January, 2006")
}
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type iconWithLabel struct {
faIcon string
label string
}
func visibilityIcon(visibility model.Visibility) template.HTML {
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var icon iconWithLabel
switch visibility {
case model.VisibilityPublic:
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icon = iconWithLabel{"globe", "public"}
case model.VisibilityUnlisted:
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icon = iconWithLabel{"unlock", "unlisted"}
case model.VisibilityPrivate:
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icon = iconWithLabel{"lock", "private"}
case model.VisibilityMutualsOnly:
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icon = iconWithLabel{"handshake-o", "mutuals only"}
case model.VisibilityDirect:
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icon = iconWithLabel{"envelope", "direct"}
}
/* #nosec G203 */
return template.HTML(fmt.Sprintf(`<i aria-label="Visibility: %v" class="fa fa-%v"></i>`, icon.label, icon.faIcon))
}
func LoadTemplateFunctions(engine *gin.Engine) {
engine.SetFuncMap(template.FuncMap{
"noescape": noescape,
"oddOrEven": oddOrEven,
"visibilityIcon": visibilityIcon,
"timestamp": timestamp,
"timestampShort": timestampShort,
})
}