mirror of
https://github.com/thegeeklab/drone-template-lib.git
synced 2024-11-25 22:20:39 +00:00
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
// Copyright 2018 Drone.IO Inc
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package template
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import (
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"io/ioutil"
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"net/http"
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"net/url"
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"strings"
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"github.com/aymerick/raymond"
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"github.com/pkg/errors"
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)
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// Render parses and executes a template, returning the results in string
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// format. Trailing or leading spaces or new-lines are not getting truncated. It
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// is able to read templates from remote paths, local files or directly from the
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// string.
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func Render(template string, payload interface{}) (s string, err error) {
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u, err := url.Parse(template)
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if err == nil {
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switch u.Scheme {
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case "http", "https":
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res, err := http.Get(template)
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if err != nil {
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return s, errors.Wrap(err, "failed to fetch")
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}
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defer res.Body.Close()
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out, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return s, errors.Wrap(err, "failed to read")
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}
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template = string(out)
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case "file":
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out, err := ioutil.ReadFile(u.Path)
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if err != nil {
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return s, errors.Wrap(err, "failed to read")
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}
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template = string(out)
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}
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}
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return raymond.Render(template, payload)
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}
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// RenderTrim parses and executes a template, returning the results in string
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// format. The result is trimmed to remove left and right padding and newlines
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// that may be added unintentially in the template markup.
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func RenderTrim(template string, playload interface{}) (string, error) {
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out, err := Render(template, playload)
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return strings.Trim(out, " \n"), err
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}
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