Adding upstream version 0.8.9.

Signed-off-by: Daniel Baumann <daniel@debian.org>

pkg/services/ifttt/ifttt_config.go

@@ -0,0 +1,107 @@
+package ifttt
+
+import (
+	"errors"
+	"fmt"
+	"net/url"
+
+	"github.com/nicholas-fedor/shoutrrr/pkg/format"
+	"github.com/nicholas-fedor/shoutrrr/pkg/services/standard"
+	"github.com/nicholas-fedor/shoutrrr/pkg/types"
+)
+
+const (
+	Scheme              = "ifttt" // Scheme identifies this service in configuration URLs.
+	DefaultMessageValue = 2       // Default value field (1-3) for the notification message
+	DisabledValue       = 0       // Value to disable title assignment
+	MinValueField       = 1       // Minimum valid value field (Value1)
+	MaxValueField       = 3       // Maximum valid value field (Value3)
+	MinLength           = 1       // Minimum length for required fields like Events and WebHookID
+)
+
+var (
+	ErrInvalidMessageValue = errors.New(
+		"invalid value for messagevalue: only values 1-3 are supported",
+	)
+	ErrInvalidTitleValue = errors.New(
+		"invalid value for titlevalue: only values 1-3 or 0 (for disabling) are supported",
+	)
+	ErrTitleMessageConflict = errors.New("titlevalue cannot use the same number as messagevalue")
+	ErrMissingEvents        = errors.New("events missing from config URL")
+	ErrMissingWebhookID     = errors.New("webhook ID missing from config URL")
+)
+
+// Config holds settings for the IFTTT notification service.
+type Config struct {
+	standard.EnumlessConfig
+	WebHookID         string   `required:"true" url:"host"`
+	Events            []string `required:"true"            key:"events"`
+	Value1            string   `                           key:"value1"       optional:""`
+	Value2            string   `                           key:"value2"       optional:""`
+	Value3            string   `                           key:"value3"       optional:""`
+	UseMessageAsValue uint8    `                           key:"messagevalue"             default:"2" desc:"Sets the corresponding value field to the notification message"`
+	UseTitleAsValue   uint8    `                           key:"titlevalue"               default:"0" desc:"Sets the corresponding value field to the notification title"`
+	Title             string   `                           key:"title"                    default:""  desc:"Notification title, optionally set by the sender"`
+}
+
+// GetURL generates a URL from the current configuration values.
+func (config *Config) GetURL() *url.URL {
+	resolver := format.NewPropKeyResolver(config)
+
+	return config.getURL(&resolver)
+}
+
+// SetURL updates the configuration from a URL representation.
+func (config *Config) SetURL(url *url.URL) error {
+	resolver := format.NewPropKeyResolver(config)
+
+	return config.setURL(&resolver, url)
+}
+
+func (config *Config) getURL(resolver types.ConfigQueryResolver) *url.URL {
+	return &url.URL{
+		Host:     config.WebHookID,
+		Path:     "/",
+		Scheme:   Scheme,
+		RawQuery: format.BuildQuery(resolver),
+	}
+}
+
+func (config *Config) setURL(resolver types.ConfigQueryResolver, url *url.URL) error {
+	if config.UseMessageAsValue == DisabledValue {
+		config.UseMessageAsValue = DefaultMessageValue
+	}
+
+	config.WebHookID = url.Hostname()
+
+	for key, vals := range url.Query() {
+		if err := resolver.Set(key, vals[0]); err != nil {
+			return fmt.Errorf("setting config property %q from URL query: %w", key, err)
+		}
+	}
+
+	if config.UseMessageAsValue > MaxValueField || config.UseMessageAsValue < MinValueField {
+		return ErrInvalidMessageValue
+	}
+
+	if config.UseTitleAsValue > MaxValueField {
+		return ErrInvalidTitleValue
+	}
+
+	if config.UseTitleAsValue != DisabledValue &&
+		config.UseTitleAsValue == config.UseMessageAsValue {
+		return ErrTitleMessageConflict
+	}
+
+	if url.String() != "ifttt://dummy@dummy.com" {
+		if len(config.Events) < MinLength {
+			return ErrMissingEvents
+		}
+
+		if len(config.WebHookID) < MinLength {
+			return ErrMissingWebhookID
+		}
+	}
+
+	return nil
+}