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4 changed files with 2 additions and 220 deletions

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@ -1,9 +0,0 @@
package model
import "git.milar.in/milarin/adverr"
var (
ErrFeatureAlreadyCreated = adverr.NewErrTmpl("ErrFeatureAlreadyCreated", "duplicate feature: '%s'")
ErrFeatureWithoutValue = adverr.NewErrTmpl("ErrFeatureWithoutValue", "feature needs a value: '%s'")
ErrInvalidFeatureValue = adverr.NewErrTmpl("ErrInvalidFeatureValue", "feature needs a value of type %s")
)

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@ -1,204 +0,0 @@
package model
import (
"fmt"
"strconv"
"strings"
)
type Feature[T any] struct {
name string
value T
priority int
essential bool
}
var (
Feature1080p = &Feature[bool]{
name: "1080p",
value: true,
}
Feature720p = &Feature[bool]{
name: "720p",
value: true,
}
FeatureTrusted = &Feature[bool]{
name: "trusted",
value: true,
}
)
var (
// string features are user-defined. 'primary key' is name and value
stringFeatures = []*Feature[string]{}
// bool features are known at compile time. 'primary key' is value only
boolFeatures = []*Feature[bool]{Feature1080p, Feature720p, FeatureTrusted}
)
func PrintAllFeatures() {
fmt.Printf("string features: %#v\n", stringFeatures)
fmt.Printf("bool features: %#v\n", boolFeatures)
}
func makeStringFeature(name, value string, priority int, essential bool) *Feature[string] {
for _, feature := range stringFeatures {
if feature.name == name && feature.value == value {
panic(ErrFeatureAlreadyCreated.New(fmt.Sprintf("%s:%s", name, value)))
}
}
feature := &Feature[string]{
name: name,
value: value,
priority: priority,
essential: essential,
}
stringFeatures = append(stringFeatures, feature)
return feature
}
func GetStringFeature(name, value string) *Feature[string] {
for _, feature := range stringFeatures {
if feature.name == name && feature.value == value {
return feature
}
}
// lang and sub features have their special '_' value
if name == "lang" {
return makeStringFeature(name, value, 0, false)
} else if name == "sub" {
return makeStringFeature(name, value, 0, false)
}
panic("TODO")
}
func GetBoolFeature(name string, value bool) *Feature[bool] {
for _, feature := range boolFeatures {
if feature.name == name {
return feature
}
}
panic("TODO")
}
func ParseEssentialFeatures(essentialFeatureString string) {
featureSpecs := strings.Split(essentialFeatureString, ",")
for _, featureSpec := range featureSpecs {
handleFeatureSpec(featureSpec, -1, true)
}
}
func ParsePrioritizedFeatures(prioritizedFeatureString string) {
featureSpecs := strings.Split(prioritizedFeatureString, ",")
for index, featureSpec := range featureSpecs {
handleFeatureSpec(featureSpec, len(featureSpec)-index, false)
}
}
func handleFeatureSpec(featureSpec string, priority int, essential bool) {
data := strings.Split(featureSpec, ":")
name := data[0]
if name == "lang" || name == "sub" {
if len(data) < 2 {
panic(ErrFeatureWithoutValue.New(featureSpec))
}
value := data[1]
makeStringFeature(name, value, priority, essential)
return
}
value := ""
if len(data) >= 2 {
value = data[1]
}
var err error
switch name {
case "1080p":
{
Feature1080p.value, err = strconv.ParseBool(value)
if err != nil {
panic(ErrInvalidFeatureValue.New("bool"))
}
Feature1080p.priority = priority
Feature1080p.essential = essential
}
case "720p":
{
Feature720p.value, err = strconv.ParseBool(value)
if err != nil {
panic(ErrInvalidFeatureValue.New("bool"))
}
Feature720p.priority = priority
Feature720p.essential = essential
}
case "trusted":
{
FeatureTrusted.value, err = strconv.ParseBool(value)
if err != nil {
panic(ErrInvalidFeatureValue.New("bool"))
}
FeatureTrusted.priority = priority
FeatureTrusted.essential = essential
}
}
}
/*
examples for feature priorization:
# if multiple torrents are available, the torrent with most features of this list will be prioritized.
# when a new torrent with more features is uploaded, it will replace the files of the old torrent.
# that ensures availability of latest episodes but highest preferred quality on the long run
#
# This list is ordered by the separator '|'. Features within the same '|' block (separated by comma) get same priority.
# the first '|' block is prioritized highest.
#
# '_' is a placeholder for all other features not directly mentioned in the list.
# It can be used for a default priority. If not default priority is given, it will be set to 0.
#
# This example basically means:
# torrents with japanese language have priority 3
# torrents with english or german languages or subtitles in english or german have priority 2
# torrents with any other languages or subtitles will have priority 1
TORRENT_PRIORITIZED_FEATURES="sub:ja|lang:en,sub:en,lang:de,sub:de|lang:_,sub:_"
# torrents without these features will never be downloaded ('_' features not supported)-
#
# essential features will be parsed before prioritized features.
# a feature cannot be both essential and prioritized.
#
# This example basically means: Only download torrents with japanese language and subtitles
TORRENT_ESSENTIAL_FEATURES="lang:ja,1080p"
# complete feature list:
# "lang:<lang_code>": language (audio)
# "sub:<lang_code>": subtitles
# "1080p[:<bool>]": full hd resolution with optional bool flag
# "720p[:<bool>]": hd resolution
# "trusted[:<bool>]": trusted torrent uploader (highlighted in green on nyaa.si)
TODO: add feature min-seeders:<int_amount>
TODO: add feature max-seeders:<int_amount>
TODO: add feature min-leechers:<int_amount>
TODO: add feature max-leechers:<int_amount>
TODO: add feature min-downloads:<int_amount>
TODO: add feature max-downloads:<int_amount>
TODO: add feature min-upload-time:<datetime>
TODO: add feature max-upload-time:<datetime>
*/

5
go.mod
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@ -2,7 +2,4 @@ module git.milar.in/animan/model
go 1.18 go 1.18
require ( require git.milar.in/milarin/anilist v1.4.1
git.milar.in/milarin/adverr v0.2.1
git.milar.in/milarin/anilist v1.4.1
)

2
go.sum
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@ -1,4 +1,2 @@
git.milar.in/milarin/adverr v0.2.1 h1:eyXFGC+Ui/kcNt2+NqP3HiAplwxzqeNr9DfitsUb3c4=
git.milar.in/milarin/adverr v0.2.1/go.mod h1:wwfglcey4R3vqjNL/d8mbnvFJGzETRXzAEolIHZY32w=
git.milar.in/milarin/anilist v1.4.1 h1:XxpKZ3CZiwKf7tUW2z+OMktWt/fLKMd8xAGPr+eodQE= git.milar.in/milarin/anilist v1.4.1 h1:XxpKZ3CZiwKf7tUW2z+OMktWt/fLKMd8xAGPr+eodQE=
git.milar.in/milarin/anilist v1.4.1/go.mod h1:8PTHXFMA45JpfRFIpcdrKwDHue8fbT/wwV1BuHFn6c0= git.milar.in/milarin/anilist v1.4.1/go.mod h1:8PTHXFMA45JpfRFIpcdrKwDHue8fbT/wwV1BuHFn6c0=