Switch from variable expansion to templates
This commit is contained in:
parent
b6fb1a06e2
commit
ad5b753f50
20
config.go
20
config.go
@ -3,7 +3,10 @@ package main
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import (
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"net/url"
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"os"
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"strconv"
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"text/template"
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"github.com/Masterminds/sprig"
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"github.com/pelletier/go-toml/v2"
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"go.arsenm.dev/logger/log"
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"go.arsenm.dev/pcre"
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@ -28,6 +31,7 @@ type Reply struct {
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var (
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cfg = Config{}
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compiledRegexes = map[string]*pcre.Regexp{}
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compiledTmpls = map[string]*template.Template{}
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)
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func loadConfig(path string) error {
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@ -50,7 +54,7 @@ func loadConfig(path string) error {
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return err
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}
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err = compileRegexes(cfg.Replies)
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err = compileReplies(cfg.Replies)
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if err != nil {
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return err
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}
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@ -59,8 +63,8 @@ func loadConfig(path string) error {
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return nil
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}
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func compileRegexes(replies []Reply) error {
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for _, reply := range replies {
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func compileReplies(replies []Reply) error {
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for i, reply := range replies {
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if _, ok := compiledRegexes[reply.Regex]; ok {
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continue
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}
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@ -70,6 +74,16 @@ func compileRegexes(replies []Reply) error {
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return err
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}
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compiledRegexes[reply.Regex] = re
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tmpl, err := template.
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New(strconv.Itoa(i)).
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Funcs(tmplFuncs).
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Funcs(sprig.TxtFuncMap()).
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Parse(reply.Msg)
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if err != nil {
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return err
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}
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compiledTmpls[reply.Regex] = tmpl
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}
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return nil
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}
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10
go.mod
10
go.mod
@ -2,9 +2,10 @@ module go.arsenm.dev/lemmy-reply-bot
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go 1.19
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replace go.arsenm.dev/go-lemmy => /home/arsen/Code/go-lemmy
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//replace go.arsenm.dev/go-lemmy => /home/arsen/Code/go-lemmy
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require (
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github.com/Masterminds/sprig v2.22.0+incompatible
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github.com/pelletier/go-toml/v2 v2.0.6
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github.com/spf13/pflag v1.0.5
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github.com/vmihailenco/msgpack/v5 v5.3.5
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@ -14,15 +15,22 @@ require (
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)
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require (
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github.com/Masterminds/goutils v1.1.1 // indirect
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github.com/Masterminds/semver v1.5.0 // indirect
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github.com/cenkalti/backoff/v4 v4.2.0 // indirect
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github.com/google/go-querystring v1.1.0 // indirect
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github.com/google/uuid v1.3.0 // indirect
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github.com/gookit/color v1.5.1 // indirect
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github.com/gorilla/websocket v1.4.2 // indirect
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github.com/huandu/xstrings v1.4.0 // indirect
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github.com/imdario/mergo v0.3.13 // indirect
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github.com/mattn/go-isatty v0.0.14 // indirect
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github.com/mitchellh/copystructure v1.2.0 // indirect
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github.com/mitchellh/reflectwalk v1.0.2 // indirect
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github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
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github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
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github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
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golang.org/x/sys v0.1.0 // indirect
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modernc.org/libc v1.16.8 // indirect
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modernc.org/mathutil v1.4.1 // indirect
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16
go.sum
16
go.sum
@ -1,3 +1,9 @@
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github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
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github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
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github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
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github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
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github.com/Masterminds/sprig v2.22.0+incompatible h1:z4yfnGrZ7netVz+0EDJ0Wi+5VZCSYp4Z0m2dk6cEM60=
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github.com/Masterminds/sprig v2.22.0+incompatible/go.mod h1:y6hNFY5UBTIWBxnzTeuNhlNS5hqE0NB0E6fgfo2Br3o=
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github.com/cenkalti/backoff/v4 v4.2.0 h1:HN5dHm3WBOgndBH6E8V0q2jIYIR3s9yglV8k/+MN3u4=
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github.com/cenkalti/backoff/v4 v4.2.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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@ -15,10 +21,18 @@ github.com/gookit/color v1.5.1 h1:Vjg2VEcdHpwq+oY63s/ksHrgJYCTo0bwWvmmYWdE9fQ=
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github.com/gookit/color v1.5.1/go.mod h1:wZFzea4X8qN6vHOSP2apMb4/+w/orMznEzYsIHPaqKM=
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github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
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github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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github.com/huandu/xstrings v1.4.0 h1:D17IlohoQq4UcpqD7fDk80P7l+lwAmlFaBHgOipl2FU=
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github.com/huandu/xstrings v1.4.0/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
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github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
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github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
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github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
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github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
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github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
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github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
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github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
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github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
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github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=
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github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
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github.com/pelletier/go-toml/v2 v2.0.6 h1:nrzqCb7j9cDFj2coyLNLaZuJTLjWjlaz6nvTvIwycIU=
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github.com/pelletier/go-toml/v2 v2.0.6/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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@ -49,6 +63,7 @@ go.arsenm.dev/pcre v0.0.0-20220530205550-74594f6c8b0e h1:4XwLmFDvAKt7ZvS3E3hD2R+
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go.arsenm.dev/pcre v0.0.0-20220530205550-74594f6c8b0e/go.mod h1:c/E0D60A6rRLoDLh6mLUdFV9gxyth+CnXnqGHos2CAQ=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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@ -76,6 +91,7 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
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golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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lukechampine.com/uint128 v1.1.1/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
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38
main.go
38
main.go
@ -2,12 +2,11 @@ package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"strconv"
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"strings"
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"syscall"
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"text/template"
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"github.com/spf13/pflag"
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"github.com/vmihailenco/msgpack/v5"
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@ -104,22 +103,12 @@ func commentWorker(ctx context.Context, c *lemmy.WSClient, replyCh chan<- replyJ
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PostID: cr.CommentView.Comment.PostID,
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}
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matches := re.FindStringSubmatch(cr.CommentView.Comment.Content)
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job.Content = expandStr(reply.Msg, func(s string) string {
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i, err := strconv.Atoi(s)
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if err != nil {
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log.Debug("Message variable is not an integer, returning empty string").Str("var", s).Send()
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return ""
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}
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if i+1 > len(matches) {
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log.Debug("Message variable exceeds match length").Int("length", len(matches)).Int("var", i).Send()
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return ""
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}
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log.Debug("Message variable found, returning").Int("var", i).Str("found", matches[i]).Send()
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return matches[i]
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})
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matches := re.FindAllStringSubmatch(cr.CommentView.Comment.Content, -1)
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job.Content, err = executeTmpl(compiledTmpls[reply.Regex], matches)
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if err != nil {
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log.Warn("Error while executing template").Err(err).Send()
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continue
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}
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replyCh <- job
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@ -127,7 +116,6 @@ func commentWorker(ctx context.Context, c *lemmy.WSClient, replyCh chan<- replyJ
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}
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}
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case err := <-c.Errors():
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fmt.Printf("%T\n", err)
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log.Warn("Lemmy client error").Err(err).Send()
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case <-ctx.Done():
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repliedStore, err := os.Create("replied.bin")
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@ -176,14 +164,10 @@ func commentReplyWorker(ctx context.Context, c *lemmy.WSClient, ch <-chan replyJ
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}
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}
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func expandStr(s string, mapping func(string) string) string {
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s = strings.ReplaceAll(s, "$$", "${_escaped_dollar_symbol}")
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return os.Expand(s, func(s string) string {
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if s == "_escaped_dollar_symbol" {
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return "$"
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}
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return mapping(s)
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})
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func executeTmpl(tmpl *template.Template, matches [][]string) (string, error) {
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sb := &strings.Builder{}
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err := tmpl.Execute(sb, matches)
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return sb.String(), err
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}
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func joinAll(c *lemmy.WSClient) {
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24
tmpl.go
Normal file
24
tmpl.go
Normal file
@ -0,0 +1,24 @@
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package main
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import "text/template"
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var tmplFuncs = template.FuncMap{
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"match": func(matches [][]string, i int, j int) string {
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if len(matches) <= i {
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return ""
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}
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if len(matches[i]) <= j {
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return ""
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}
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return matches[i][j]
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},
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"item": func(items []string, i int) string {
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if len(items) <= i {
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return ""
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}
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return items[i]
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},
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}
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