mirror of
https://github.com/retailcrm/mg-transport-core.git
synced 2024-11-28 07:56:07 +03:00
120 lines
4.3 KiB
Markdown
120 lines
4.3 KiB
Markdown
## Message Gateway Transport Library
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[](https://github.com/retailcrm/mg-transport-core/actions?query=workflow%3Aci)
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[](https://codecov.io/gh/retailcrm/mg-transport-core)
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[](https://github.com/retailcrm/mg-transport-core/releases)
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[](https://goreportcard.com/report/github.com/retailcrm/mg-transport-core)
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[](https://golang.org/dl/)
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[](https://pkg.go.dev/github.com/retailcrm/mg-transport-core/core)
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This library provides different functions like error-reporting, logging, localization, etc. in order to make it easier to create transports.
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Usage:
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```go
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package main
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import (
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"os"
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"fmt"
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"html/template"
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"github.com/gin-gonic/gin"
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"github.com/gobuffalo/packr/v2"
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"github.com/retailcrm/mg-transport-core/core"
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)
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func main() {
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// Create new core.Engine instance
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app := core.New()
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// Load configuration
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app.Config = core.NewConfig("config.yml")
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// Set default error translation key (will be returned if something goes wrong)
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app.DefaultError = "unknown_error"
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// Set translations path
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app.TranslationsPath = "./translations"
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// Preload some translations so they will not be loaded for every request
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app.PreloadLanguages = core.DefaultLanguages
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// Configure gin.Engine inside core.Engine
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app.ConfigureRouter(func(engine *gin.Engine) {
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engine.Static("/static", "./static")
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engine.HTMLRender = app.CreateRenderer(
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] // Insert templates here. Custom functions also can be provided.
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// Default transl function will be injected automatically
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func(renderer *core.Renderer) {
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// Push method will load template from FS or from binary
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r.Push("home", "templates/layout.html", "templates/home.html")
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},
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template.FuncMap{},
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)
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})
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// Start application or fail if something gone wrong (e.g. port is already in use)
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if err := app.Prepare().Run(); err != nil {
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fmt.Printf("Fatal error: %s", err.Error())
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os.Exit(1)
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}
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}
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```
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### Resource embedding
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[packr](https://github.com/gobuffalo/packr/tree/master/v2) can be used to provide resource embedding. In order to use packr you must follow
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[this instruction](https://github.com/gobuffalo/packr/tree/master/v2#library-installation), and provide boxes with templates,
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translations and assets to library.
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Example:
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```go
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package main
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import (
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"os"
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"fmt"
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"html/template"
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"github.com/gin-gonic/gin"
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"github.com/gobuffalo/packr/v2"
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"github.com/retailcrm/mg-transport-core/core"
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)
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func main() {
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static := packr.New("assets", "./static")
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templates := packr.New("templates", "./templates")
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translations := packr.New("translations", "./translate")
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app := core.New()
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app.Config = core.NewConfig("config.yml")
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app.DefaultError = "unknown_error"
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// Now translations will be loaded from packr.Box
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app.TranslationsBox = translations
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app.PreloadLanguages = core.DefaultLanguages
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app.ConfigureRouter(func(engine *gin.Engine) {
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// gin.Engine can use packr.Box as http.FileSystem
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engine.StaticFS("/static", static)
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engine.HTMLRender = app.CreateRendererFS(
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templates,
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func(renderer *core.Renderer) {
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// Same Push method here, but without relative directory.
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r.Push("home", "layout.html", "home.html")
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},
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template.FuncMap{},
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)
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})
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if err := app.Prepare().Run(); err != nil {
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fmt.Printf("Fatal error: %s", err.Error())
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os.Exit(1)
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}
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}
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```
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### Migration generator
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This library contains helper tool for transports. You can install it via go:
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```sh
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$ go get -u github.com/retailcrm/mg-transport-core/cmd/transport-core-tool
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```
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Currently, it only can generate new migrations for your transport.
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