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39 lines
1.1 KiB
39 lines
1.1 KiB
3 years ago
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package renderer
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import (
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"io"
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"code.tokarch.uk/mainnika/nikita-tokarch-uk/frontend/templates"
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routing "github.com/jackwhelpton/fasthttp-routing/v2"
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"github.com/valyala/fasthttp"
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)
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var _ routing.DataWriter = (*TemplateWriter)(nil)
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// staticWriter is thread-safe static instance of template writer
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var staticWriter = &TemplateWriter{}
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// TemplateWriter is the fasthttp data writer that loads and executes template using the content
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type TemplateWriter struct{}
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// SetHeader sets the content type to HTML since all templates are HTML
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func (tw *TemplateWriter) SetHeader(rh *fasthttp.ResponseHeader) {
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rh.SetContentType(routing.MIME_HTML)
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}
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// Write executes the template and writes result to the response writer
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func (tw *TemplateWriter) Write(w io.Writer, content interface{}) error {
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template := templates.GetTemplateOf(content)
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return template.Execute(w, content)
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}
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// useTemplateWriter is the routing middleware to set the default data writer
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func (r *Renderer) useTemplateWriter(c *routing.Context) (err error) {
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c.SetDataWriter(staticWriter)
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return
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}
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