Ilia Denisov
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package handler
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import (
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"errors"
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"net/http"
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"github.com/iliadenisov/galaxy/internal/controller"
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"github.com/iliadenisov/galaxy/internal/game"
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"github.com/gin-gonic/gin"
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"github.com/iliadenisov/galaxy/internal/model/rest"
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)
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type CommandExecutor func(controller.Configurer, rest.Command) error
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var (
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ErrCommandNotProcessed = errors.New("command was not processed by executor")
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)
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func CommandHandler(c *gin.Context, configurer controller.Configurer, executor CommandExecutor) {
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var cmd rest.Command
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if err := c.ShouldBindJSON(&cmd); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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err := executor(configurer, cmd)
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switch {
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case err == nil:
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c.Status(http.StatusOK)
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case errors.Is(err, ErrCommandNotProcessed):
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c.Status(http.StatusInternalServerError) // TODO: add error text?
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default:
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// TODO: separate invalid input and game state errors
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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}
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}
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func ExecuteCommand(config controller.Configurer, cmd rest.Command) error {
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switch {
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case cmd.DeclareWar != nil:
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return game.DeclareWar(config, cmd.Race, cmd.DeclareWar.Opponent)
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case cmd.DeclarePeace != nil:
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return game.DeclarePeace(config, cmd.Race, cmd.DeclareWar.Opponent)
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default:
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return ErrCommandNotProcessed
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}
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}
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