Add kit domain layer with hot and search ops

go.mod

@@ -20,6 +20,8 @@ require (
 	github.com/clipperhouse/displaywidth v0.4.1 // indirect
 	github.com/clipperhouse/stringish v0.1.1 // indirect
 	github.com/clipperhouse/uax29/v2 v2.3.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-runewidth v0.0.19 // indirect
@@ -28,10 +30,17 @@ require (
 	github.com/muesli/mango-cobra v1.2.0 // indirect
 	github.com/muesli/mango-pflag v0.1.0 // indirect
 	github.com/muesli/roff v0.1.0 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/spf13/pflag v1.0.9 // indirect
+	github.com/tamnd/any-cli v0.4.0 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
-	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
 	golang.org/x/text v0.24.0 // indirect
+	modernc.org/libc v1.72.3 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
+	modernc.org/sqlite v1.52.0 // indirect
 )

go.sum

@@ -29,6 +29,10 @@ github.com/clipperhouse/uax29/v2 v2.3.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsV
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
@@ -47,8 +51,12 @@ github.com/muesli/mango-pflag v0.1.0 h1:UADqbYgpUyRoBja3g6LUL+3LErjpsOwaC9ywvBWe
 github.com/muesli/mango-pflag v0.1.0/go.mod h1:YEQomTxaCUp8PrbhFh10UfbhbQrM/xJ4i2PB8VTLLW0=
 github.com/muesli/roff v0.1.0 h1:YD0lalCotmYuF5HhZliKWlIx7IEhiXeSfq7hNjFqGF8=
 github.com/muesli/roff v0.1.0/go.mod h1:pjAHQM9hdUUwm/krAfrLGgJkXJ+YuhtsfZ42kieB2Ig=
+github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
+github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -58,17 +66,31 @@ github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
 github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/tamnd/any-cli v0.4.0 h1:ngyRJBvjZ2X1iBlwlmDLvY2S9aQWlDjVE7CiOwxtt5Y=
+github.com/tamnd/any-cli v0.4.0/go.mod h1:lns3VfQVrC9hMy7YKBzIQoYpobnfSDIzJ8c27H2ILmk=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
 golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
 golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
 golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
 golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+modernc.org/libc v1.72.3 h1:ZnDF4tXn4NBXFutMMQC4vtbTFSXhhKzR73fv0beZEAU=
+modernc.org/libc v1.72.3/go.mod h1:dn0dZNnnn1clLyvRxLxYExxiKRZIRENOfqQ8XEeg4Qs=
+modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
+modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
+modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
+modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
+modernc.org/sqlite v1.52.0 h1:p4dhYh2tXZCiyaqHwRVJDjIGKWyXayiQpThxgDzJaxo=
+modernc.org/sqlite v1.52.0/go.mod h1:tcNzv5p84E0skkmJn038y+hWJbLQXQqEnQfeh5r2JLM=

hupu/domain.go

@@ -0,0 +1,167 @@
+package hupu
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"regexp"
+	"strings"
+
+	"github.com/tamnd/any-cli/kit"
+	"github.com/tamnd/any-cli/kit/errs"
+)
+
+// domain.go exposes hupu as a kit Domain: a driver that a multi-domain
+// host enables with a single blank import,
+//
+//	import _ "github.com/tamnd/hupu-cli/hupu"
+//
+// The init below registers it; the host then dereferences hupu:// URIs by
+// routing to the operations Register installs.
+func init() { kit.Register(Domain{}) }
+
+// Domain is the hupu kit driver. It carries no state.
+type Domain struct{}
+
+// Info describes the scheme, the hostnames a pasted link is matched against,
+// and the identity reused for the binary's help and version.
+func (Domain) Info() kit.DomainInfo {
+	return kit.DomainInfo{
+		Scheme: "hupu",
+		Hosts:  []string{"bbs.hupu.com"},
+		Identity: kit.Identity{
+			Binary: "hupu",
+			Short:  "A command line for Hupu sports forum.",
+			Long: `A command line for Hupu sports forum.
+
+hupu reads public Hupu BBS data over plain HTTPS, shapes it into
+clean records, and prints output that pipes into the rest of your tools.
+No API key, nothing to run alongside it.`,
+			Site: "bbs.hupu.com",
+			Repo: "https://github.com/tamnd/hupu-cli",
+		},
+	}
+}
+
+// Register installs the client factory and every operation onto app.
+func (Domain) Register(app *kit.App) {
+	app.SetClient(newKitClient)
+
+	// hot: list the current hot threads from the BBS home page.
+	kit.Handle(app, kit.OpMeta{
+		Name:    "hot",
+		Group:   "read",
+		List:    true,
+		Summary: "List hot BBS posts",
+		URIType: "post",
+	}, listHot)
+
+	// search: full-text search via the mobile API.
+	kit.Handle(app, kit.OpMeta{
+		Name:    "search",
+		Group:   "read",
+		List:    true,
+		Summary: "Search BBS posts",
+		URIType: "post",
+		Args:    []kit.Arg{{Name: "query", Help: "search query"}},
+	}, listSearch)
+}
+
+// newKitClient builds the client from the kit-resolved config.
+func newKitClient(_ context.Context, cfg kit.Config) (any, error) {
+	c := DefaultConfig()
+	if cfg.UserAgent != "" {
+		c.UserAgent = cfg.UserAgent
+	}
+	if cfg.Rate > 0 {
+		c.Rate = cfg.Rate
+	}
+	if cfg.Retries > 0 {
+		c.Retries = cfg.Retries
+	}
+	if cfg.Timeout > 0 {
+		c.Timeout = cfg.Timeout
+	}
+	return NewClient(c), nil
+}
+
+// --- inputs ---
+
+type hotInput struct {
+	Limit  int     `kit:"flag,inherit" help:"max results"`
+	Client *Client `kit:"inject"`
+}
+
+type searchInput struct {
+	Query  string  `kit:"arg" help:"search query"`
+	Limit  int     `kit:"flag,inherit" help:"max results"`
+	Client *Client `kit:"inject"`
+}
+
+// --- handlers ---
+
+func listHot(ctx context.Context, in hotInput, emit func(*Post) error) error {
+	posts, err := in.Client.Hot(ctx, in.Limit)
+	if err != nil {
+		return err
+	}
+	for i := range posts {
+		if err := emit(&posts[i]); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func listSearch(ctx context.Context, in searchInput, emit func(*Post) error) error {
+	if strings.TrimSpace(in.Query) == "" {
+		return errs.Usage("query is required")
+	}
+	posts, err := in.Client.Search(ctx, in.Query, in.Limit)
+	if err != nil {
+		return err
+	}
+	for i := range posts {
+		if err := emit(&posts[i]); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// --- Resolver: pure string functions, no network ---
+
+// tidRE matches a numeric thread id in a URL path segment or bare string.
+var tidRE = regexp.MustCompile(`\b(\d+)\b`)
+
+// Classify turns a post URL or bare thread ID into the canonical (type, id).
+func (Domain) Classify(input string) (uriType, id string, err error) {
+	id = postID(input)
+	if id == "" {
+		return "", "", errs.Usage("unrecognized hupu reference: %q", input)
+	}
+	return "post", id, nil
+}
+
+// Locate is the inverse: the live https URL for a (type, id).
+func (Domain) Locate(uriType, id string) (string, error) {
+	if uriType != "post" {
+		return "", errs.Usage("hupu has no resource type %q", uriType)
+	}
+	return fmt.Sprintf("https://bbs.hupu.com/%s.html", id), nil
+}
+
+// postID extracts a numeric thread id from a full URL or a bare id string.
+func postID(input string) string {
+	input = strings.TrimSpace(input)
+	if u, err := url.Parse(input); err == nil && (u.Scheme == "http" || u.Scheme == "https") {
+		if m := tidRE.FindStringSubmatch(u.Path); m != nil {
+			return m[1]
+		}
+		return ""
+	}
+	if m := tidRE.FindStringSubmatch(input); m != nil {
+		return m[1]
+	}
+	return ""
+}

hupu/domain_test.go

@@ -0,0 +1,70 @@
+package hupu
+
+import (
+	"testing"
+
+	"github.com/tamnd/any-cli/kit"
+)
+
+// These tests are offline: they exercise the kit domain's pure string functions
+// and the host wiring, which need no network.
+
+func TestDomainInfo(t *testing.T) {
+	info := Domain{}.Info()
+	if info.Scheme != "hupu" {
+		t.Errorf("Scheme = %q, want hupu", info.Scheme)
+	}
+	if len(info.Hosts) == 0 || info.Hosts[0] != "bbs.hupu.com" {
+		t.Errorf("Hosts = %v, want [bbs.hupu.com]", info.Hosts)
+	}
+	if info.Identity.Binary != "hupu" {
+		t.Errorf("Identity.Binary = %q, want hupu", info.Identity.Binary)
+	}
+}
+
+func TestClassify(t *testing.T) {
+	cases := []struct{ in, typ, id string }{
+		{"123456789", "post", "123456789"},
+		{"https://bbs.hupu.com/987654321.html", "post", "987654321"},
+	}
+	for _, tc := range cases {
+		typ, id, err := Domain{}.Classify(tc.in)
+		if err != nil || typ != tc.typ || id != tc.id {
+			t.Errorf("Classify(%q) = (%q, %q, %v), want (%q, %q, nil)",
+				tc.in, typ, id, err, tc.typ, tc.id)
+		}
+	}
+}
+
+func TestClassifyBad(t *testing.T) {
+	_, _, err := Domain{}.Classify("no-digits-here")
+	if err == nil {
+		t.Error("Classify(bad) expected error, got nil")
+	}
+}
+
+func TestLocate(t *testing.T) {
+	got, err := Domain{}.Locate("post", "123456789")
+	want := "https://bbs.hupu.com/123456789.html"
+	if err != nil || got != want {
+		t.Errorf("Locate = (%q, %v), want (%q, nil)", got, err, want)
+	}
+}
+
+func TestLocateBadType(t *testing.T) {
+	_, err := Domain{}.Locate("unknown", "123456789")
+	if err == nil {
+		t.Error("Locate(unknown) expected error, got nil")
+	}
+}
+
+func TestResolveOn(t *testing.T) {
+	h, err := kit.Open()
+	if err != nil {
+		t.Fatal(err)
+	}
+	got, err := h.ResolveOn("hupu", "987654321")
+	if err != nil || got.String() != "hupu://post/987654321" {
+		t.Errorf("ResolveOn = (%q, %v), want hupu://post/987654321", got.String(), err)
+	}
+}

hupu/hupu.go

@@ -9,13 +9,18 @@ package hupu
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 	"sync"
 	"time"
 )
 
+// searchAPIURL is the mobile search API endpoint.
+const searchAPIURL = "https://games.mobileapi.hupu.com/7.5.80/search/v2"
+
 // DefaultUserAgent mimics a desktop Chrome browser.
 const DefaultUserAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36"
 
@@ -131,6 +136,47 @@ func (c *Client) pace() {
 	c.last = time.Now()
 }
 
+// searchResp is the shape returned by the mobile search API.
+type searchResp struct {
+	Data struct {
+		Thread struct {
+			List []struct {
+				TID   int    `json:"tid"`
+				Title string `json:"title"`
+			} `json:"list"`
+		} `json:"thread"`
+	} `json:"data"`
+}
+
+// Search queries the Hupu mobile search API and returns matching posts.
+// If limit <= 0, all results from the first page are returned.
+func (c *Client) Search(ctx context.Context, query string, limit int) ([]Post, error) {
+	u := searchAPIURL + "?query=" + url.QueryEscape(query) + "&page=1&type=all"
+	body, err := c.get(ctx, u)
+	if err != nil {
+		return nil, fmt.Errorf("search: %w", err)
+	}
+
+	var resp searchResp
+	if err := json.Unmarshal(body, &resp); err != nil {
+		return nil, fmt.Errorf("search decode: %w", err)
+	}
+
+	var out []Post
+	for i, item := range resp.Data.Thread.List {
+		out = append(out, Post{
+			Rank:  i + 1,
+			ID:    fmt.Sprintf("%d", item.TID),
+			Title: item.Title,
+			URL:   "https://bbs.hupu.com/" + fmt.Sprintf("%d", item.TID) + ".html",
+		})
+		if limit > 0 && len(out) >= limit {
+			break
+		}
+	}
+	return out, nil
+}
+
 func backoff(attempt int) time.Duration {
 	d := time.Duration(attempt) * 500 * time.Millisecond
 	if d > 5*time.Second {