mirror of https://github.com/neon-mmd/websurfx.git
✨ Ranking of aggregated search results based on relevancy of the search result to the user's search query (#549)
* add sorting by relevance and merge new changes * fix conflicts * Update src/models/aggregation_models.rs Co-authored-by: neon_arch <mustafadhuleb53@gmail.com> * Update src/models/aggregation_models.rs Co-authored-by: neon_arch <mustafadhuleb53@gmail.com> * Update Cargo.toml Co-authored-by: neon_arch <mustafadhuleb53@gmail.com> * Update Cargo.toml Co-authored-by: neon_arch <mustafadhuleb53@gmail.com> * Update Cargo.toml Co-authored-by: neon_arch <mustafadhuleb53@gmail.com> * enable non-static-synonyms features --------- Co-authored-by: neon_arch <mustafadhuleb53@gmail.com>
This commit is contained in:
Spencer
GitHub
parent
c584a7d601
commit
bb50e8bb25
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@ -245,6 +245,12 @@ version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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[[package]]
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name = "adler32"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
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[[package]]
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name = "aead"
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version = "0.5.2"
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@ -1840,6 +1846,16 @@ dependencies = [
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"winapi-build",
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]
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[[package]]
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name = "keyword_extraction"
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version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c25710ba2c50e4762b267b7387a989d8d1a8235f5cf26cd84e34aac30b263140"
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dependencies = [
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"regex",
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"unicode-segmentation",
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]
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[[package]]
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name = "language-tags"
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version = "0.3.2"
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@ -1858,6 +1874,26 @@ version = "0.2.153"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
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[[package]]
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name = "libflate"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5ff4ae71b685bbad2f2f391fe74f6b7659a34871c08b210fdc039e43bee07d18"
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dependencies = [
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"adler32",
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"crc32fast",
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"libflate_lz77",
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]
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[[package]]
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name = "libflate_lz77"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a52d3a8bfc85f250440e4424db7d857e241a3aebbbe301f3eb606ab15c39acbf"
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dependencies = [
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"rle-decode-fast",
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]
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[[package]]
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name = "libmimalloc-sys"
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version = "0.1.35"
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@ -3029,6 +3065,12 @@ dependencies = [
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"windows-sys 0.52.0",
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]
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[[package]]
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name = "rle-decode-fast"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3582f63211428f83597b51b2ddb88e2a91a9d52d12831f9d08f5e624e8977422"
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[[package]]
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name = "rustc-demangle"
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version = "0.1.23"
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@ -3431,6 +3473,15 @@ version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
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[[package]]
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name = "stop-words"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8500024d809de02ecbf998472b7bed3c4fca380df2be68917f6a473bdb28ddcc"
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dependencies = [
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"serde_json",
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]
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[[package]]
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name = "string"
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version = "0.2.1"
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@ -3607,6 +3658,25 @@ dependencies = [
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"utf-8",
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]
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[[package]]
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name = "thesaurus"
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version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3e33ea271e53da683cd3439c04ff3b734f3d6052ea33a65ec9e0fa89a4f96369"
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dependencies = [
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"lazy_static",
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"thesaurus-moby",
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]
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[[package]]
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name = "thesaurus-moby"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "28f7806d5dbe7d9b627e332f88269a014a6a1d40ec411d4ea66cb702aabce4cf"
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dependencies = [
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"libflate",
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]
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[[package]]
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name = "thousands"
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version = "0.2.0"
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@ -3984,6 +4054,12 @@ dependencies = [
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"tinyvec",
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]
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[[package]]
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name = "unicode-segmentation"
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version = "1.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
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[[package]]
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name = "unicode-width"
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version = "0.1.11"
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@ -4219,6 +4295,7 @@ dependencies = [
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"error-stack",
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"fake-useragent",
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"futures 0.3.30",
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"keyword_extraction",
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"lightningcss",
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"log",
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"maud",
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@ -4234,7 +4311,9 @@ dependencies = [
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"serde",
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"serde_json",
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"smallvec 1.13.1",
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"stop-words",
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"tempfile",
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"thesaurus",
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"tokio 1.36.0",
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]
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128
Cargo.toml
128
Cargo.toml
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@ -13,45 +13,93 @@ bench = false
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path = "src/bin/websurfx.rs"
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[dependencies]
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reqwest = {version="0.11.24", default-features=false, features=["rustls-tls","brotli", "gzip"]}
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tokio = {version="1.32.0",features=["rt-multi-thread","macros", "fs", "io-util"], default-features = false}
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serde = {version="1.0.196", default-features=false, features=["derive"]}
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serde_json = {version="1.0.109", default-features=false}
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maud = {version="0.25.0", default-features=false, features=["actix-web"]}
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scraper = {version="0.18.1", default-features = false}
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actix-web = {version="4.4.0", features = ["cookies", "macros", "compress-brotli"], default-features=false}
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actix-files = {version="0.6.5", default-features=false}
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actix-cors = {version="0.7.0", default-features=false}
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fake-useragent = {version="0.1.3", default-features=false}
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env_logger = {version="0.11.1", default-features=false}
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log = {version="0.4.21", default-features=false}
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mlua = {version="0.9.1", features=["luajit", "vendored"], default-features=false}
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redis = {version="0.24.0", features=["tokio-comp","connection-manager"], default-features = false, optional = true}
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blake3 = {version="1.5.0", default-features=false}
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error-stack = {version="0.4.0", default-features=false, features=["std"]}
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async-trait = {version="0.1.76", default-features=false}
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regex = {version="1.9.4", features=["perf"], default-features = false}
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smallvec = {version="1.13.1", features=["union", "serde"], default-features=false}
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futures = {version="0.3.30", default-features=false, features=["alloc"]}
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dhat = {version="0.3.2", optional = true, default-features=false}
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reqwest = { version = "0.11.24", default-features = false, features = [
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"rustls-tls",
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"brotli",
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"gzip",
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] }
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tokio = { version = "1.32.0", features = [
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"rt-multi-thread",
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"macros",
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"fs",
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"io-util",
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], default-features = false }
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serde = { version = "1.0.196", default-features = false, features = ["derive"] }
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serde_json = { version = "1.0.109", default-features = false }
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maud = { version = "0.25.0", default-features = false, features = [
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"actix-web",
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] }
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scraper = { version = "0.18.1", default-features = false }
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actix-web = { version = "4.4.0", features = [
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"cookies",
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"macros",
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"compress-brotli",
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], default-features = false }
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actix-files = { version = "0.6.5", default-features = false }
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actix-cors = { version = "0.7.0", default-features = false }
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fake-useragent = { version = "0.1.3", default-features = false }
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env_logger = { version = "0.11.1", default-features = false }
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log = { version = "0.4.21", default-features = false }
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mlua = { version = "0.9.1", features = [
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"luajit",
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"vendored",
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], default-features = false }
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redis = { version = "0.24.0", features = [
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"tokio-comp",
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"connection-manager",
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], default-features = false, optional = true }
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blake3 = { version = "1.5.0", default-features = false }
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error-stack = { version = "0.4.0", default-features = false, features = [
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"std",
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] }
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async-trait = { version = "0.1.76", default-features = false }
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regex = { version = "1.9.4", features = ["perf"], default-features = false }
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smallvec = { version = "1.13.1", features = [
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"union",
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"serde",
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], default-features = false }
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futures = { version = "0.3.30", default-features = false, features = ["alloc"] }
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dhat = { version = "0.3.2", optional = true, default-features = false }
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mimalloc = { version = "0.1.38", default-features = false }
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async-once-cell = {version="0.5.3", default-features=false}
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actix-governor = {version="0.5.0", default-features=false}
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mini-moka = { version="0.10", optional = true, default-features=false, features=["sync"]}
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async-compression = { version = "0.4.6", default-features = false, features=["brotli","tokio"], optional=true}
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chacha20poly1305={version="0.10.1", default-features=false, features=["alloc","getrandom"], optional=true}
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chacha20 = {version="0.9.1", default-features=false, optional=true}
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base64 = {version="0.21.5", default-features=false, features=["std"], optional=true}
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cfg-if = {version="1.0.0", default-features=false,optional=true}
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async-once-cell = { version = "0.5.3", default-features = false }
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actix-governor = { version = "0.5.0", default-features = false }
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mini-moka = { version = "0.10", optional = true, default-features = false, features = [
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"sync",
|
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] }
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async-compression = { version = "0.4.6", default-features = false, features = [
|
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"brotli",
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"tokio",
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], optional = true }
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chacha20poly1305 = { version = "0.10.1", default-features = false, features = [
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"alloc",
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"getrandom",
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], optional = true }
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chacha20 = { version = "0.9.1", default-features = false, optional = true }
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base64 = { version = "0.21.5", default-features = false, features = [
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"std",
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], optional = true }
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cfg-if = { version = "1.0.0", default-features = false, optional = true }
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keyword_extraction = { version = "1.3.0", default-features = false, features = [
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"tf_idf",
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] }
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stop-words = { version = "0.8.0", default-features = false, features = ["iso"] }
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thesaurus = { version = "0.5.2", default-features = false, optional = true, features = [
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"moby",
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] }
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[dev-dependencies]
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rusty-hook = {version="^0.11.2", default-features=false}
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criterion = {version="0.5.1", default-features=false}
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tempfile = {version="3.10.1", default-features=false}
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rusty-hook = { version = "^0.11.2", default-features = false }
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criterion = { version = "0.5.1", default-features = false }
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tempfile = { version = "3.10.1", default-features = false }
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[build-dependencies]
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lightningcss = {version="1.0.0-alpha.52", default-features=false, features=["grid"]}
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minify-js = {version="0.6.0", default-features=false}
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lightningcss = { version = "1.0.0-alpha.52", default-features = false, features = [
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"grid",
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] }
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minify-js = { version = "0.6.0", default-features = false }
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[profile.dev]
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opt-level = 0
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@ -80,11 +128,13 @@ rpath = false
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strip = "symbols"
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[features]
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use-synonyms-search = ["thesaurus/static"]
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default = ["memory-cache"]
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dhat-heap = ["dep:dhat"]
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dhat-heap = ["dep:dhat"]
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memory-cache = ["dep:mini-moka"]
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redis-cache = ["dep:redis","dep:base64"]
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compress-cache-results = ["dep:async-compression","dep:cfg-if"]
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encrypt-cache-results = ["dep:chacha20poly1305","dep:chacha20"]
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cec-cache-results = ["compress-cache-results","encrypt-cache-results"]
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redis-cache = ["dep:redis", "dep:base64"]
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compress-cache-results = ["dep:async-compression", "dep:cfg-if"]
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encrypt-cache-results = ["dep:chacha20poly1305", "dep:chacha20"]
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cec-cache-results = ["compress-cache-results", "encrypt-cache-results"]
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experimental-io-uring = ["actix-web/experimental-io-uring"]
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use-non-static-synonyms-search = ["thesaurus"]
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|
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@ -4,7 +4,11 @@
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use super::engine_models::EngineError;
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use serde::{Deserialize, Serialize};
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use smallvec::SmallVec;
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#[cfg(any(
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feature = "use-synonyms-search",
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feature = "use-non-static-synonyms-search"
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))]
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use thesaurus::synonyms;
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/// A named struct to store the raw scraped search results scraped search results from the
|
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/// upstream search engines before aggregating it.It derives the Clone trait which is needed
|
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/// to write idiomatic rust using `Iterators`.
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@ -20,6 +24,8 @@ pub struct SearchResult {
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pub description: String,
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/// The names of the upstream engines from which this results were provided.
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pub engine: SmallVec<[String; 0]>,
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/// The td-tdf score of the result in regards to the title, url and description and the user's query
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pub relevance_score: f32,
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}
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|
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impl SearchResult {
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@ -37,9 +43,49 @@ impl SearchResult {
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title: title.to_owned(),
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url: url.to_owned(),
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description: description.to_owned(),
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relevance_score: 0.0,
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engine: engine.iter().map(|name| name.to_string()).collect(),
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}
|
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}
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/// calculates and update the relevance score of the current search.
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|
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/// # Arguments
|
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///
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/// * query - the query string used to obtain the results
|
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///
|
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///
|
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|
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pub fn calculate_relevance(&mut self, query: &str) {
|
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use stop_words::{get, LANGUAGE};
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// when language settings can change to any of the ones supported on this crate: https://docs.rs/crate/stop-words/0.8.0
|
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let documents = [
|
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self.title.clone(),
|
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self.url.clone(),
|
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self.description.clone(),
|
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];
|
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|
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let stop_words = get(LANGUAGE::English);
|
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let punctuation = [
|
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".".to_owned(),
|
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",".to_owned(),
|
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":".to_owned(),
|
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";".to_owned(),
|
||||
"!".to_owned(),
|
||||
"?".to_owned(),
|
||||
"(".to_owned(),
|
||||
")".to_owned(),
|
||||
"[".to_owned(),
|
||||
"]".to_owned(),
|
||||
"{".to_owned(),
|
||||
"}".to_owned(),
|
||||
"\"".to_owned(),
|
||||
"'".to_owned(),
|
||||
"<".to_owned(),
|
||||
">".to_owned(),
|
||||
];
|
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|
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self.relevance_score = calculate_tf_idf(query, &documents, &stop_words, &punctuation);
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}
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|
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/// A function which adds the engine name provided as a string into a vector of strings.
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///
|
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@ -182,3 +228,53 @@ impl SearchResults {
|
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self.no_engines_selected = true;
|
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}
|
||||
}
|
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|
||||
/// Helper function to calculate the tf-idf for the search query.
|
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/// <br> The approach is as [`as`](https://en.wikipedia.org/wiki/Tf%E2%80%93idf).
|
||||
/// <br> Find a sample article about TF-IDF [`here`](https://medium.com/analytics-vidhya/tf-idf-term-frequency-technique-easiest-explanation-for-text-classification-in-nlp-with-code-8ca3912e58c3)
|
||||
/// ### Arguments
|
||||
/// * `query` - a user's search query
|
||||
/// * `documents` - a list of text used for comparision (url, title, description)
|
||||
/// * `stop_words` - A list of language specific stop words.
|
||||
/// * `punctuation` - list of punctuation symbols.
|
||||
/// ### Returns
|
||||
/// * `score` - The average tf-idf score of the word tokens (and synonyms) in the query
|
||||
fn calculate_tf_idf(
|
||||
query: &str,
|
||||
documents: &[String],
|
||||
stop_words: &[String],
|
||||
punctuation: &[String],
|
||||
) -> f32 {
|
||||
use keyword_extraction::{
|
||||
tf_idf::{TfIdf, TfIdfParams},
|
||||
tokenizer::Tokenizer,
|
||||
};
|
||||
|
||||
let params = TfIdfParams::UnprocessedDocuments(documents, stop_words, Some(punctuation));
|
||||
let tf_idf = TfIdf::new(params);
|
||||
let tokener = Tokenizer::new(query, stop_words, Some(punctuation));
|
||||
let query_tokens = tokener.split_into_words();
|
||||
let mut search_tokens = vec![];
|
||||
|
||||
for token in query_tokens {
|
||||
#[cfg(any(
|
||||
feature = "use-synonyms-search",
|
||||
feature = "use-non-static-synonyms-search"
|
||||
))]
|
||||
{
|
||||
// find some synonyms and add them to the search (from wordnet or moby if feature is enabled)
|
||||
let synonyms = synonyms(&token);
|
||||
search_tokens.extend(synonyms)
|
||||
}
|
||||
search_tokens.push(token);
|
||||
}
|
||||
|
||||
let mut total_score = 0.0f32;
|
||||
for token in search_tokens.iter() {
|
||||
total_score += tf_idf.get_score(token);
|
||||
}
|
||||
|
||||
let result = total_score / (search_tokens.len() as f32);
|
||||
|
||||
f32::from(!result.is_nan()) * result
|
||||
}
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@ use crate::models::{
|
|||
aggregation_models::{EngineErrorInfo, SearchResult, SearchResults},
|
||||
engine_models::{EngineError, EngineHandler},
|
||||
};
|
||||
|
||||
use error_stack::Report;
|
||||
use futures::stream::FuturesUnordered;
|
||||
use regex::Regex;
|
||||
|
|
@ -184,7 +185,17 @@ pub async fn aggregate(
|
|||
drop(blacklist_map);
|
||||
}
|
||||
|
||||
let results: Vec<SearchResult> = result_map.iter().map(|(_, value)| value.clone()).collect();
|
||||
let mut results: Vec<SearchResult> = result_map
|
||||
.iter()
|
||||
.map(|(_, value)| {
|
||||
let mut copy = value.clone();
|
||||
if !copy.url.contains("temu.com") {
|
||||
copy.calculate_relevance(query.as_str())
|
||||
}
|
||||
copy
|
||||
})
|
||||
.collect();
|
||||
sort_search_results(&mut results);
|
||||
|
||||
Ok(SearchResults::new(results, &engine_errors_info))
|
||||
}
|
||||
|
|
@ -233,7 +244,21 @@ pub async fn filter_with_lists(
|
|||
|
||||
Ok(())
|
||||
}
|
||||
/// Sorts SearchResults by relevance score.
|
||||
/// <br> sort_unstable is used as its faster,stability is not an issue on our side.
|
||||
/// For reasons why, check out [`this`](https://rust-lang.github.io/rfcs/1884-unstable-sort.html)
|
||||
/// # Arguments
|
||||
/// * `results` - A mutable slice or Vec of SearchResults
|
||||
///
|
||||
fn sort_search_results(results: &mut [SearchResult]) {
|
||||
results.sort_unstable_by(|a, b| {
|
||||
use std::cmp::Ordering;
|
||||
|
||||
b.relevance_score
|
||||
.partial_cmp(&a.relevance_score)
|
||||
.unwrap_or(Ordering::Less)
|
||||
})
|
||||
}
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
|
@ -252,6 +277,7 @@ mod tests {
|
|||
url: "https://www.example.com".to_owned(),
|
||||
description: "This domain is for use in illustrative examples in documents."
|
||||
.to_owned(),
|
||||
relevance_score: 0.0,
|
||||
engine: smallvec!["Google".to_owned(), "Bing".to_owned()],
|
||||
},
|
||||
));
|
||||
|
|
@ -262,6 +288,7 @@ mod tests {
|
|||
url: "https://www.rust-lang.org/".to_owned(),
|
||||
description: "A systems programming language that runs blazingly fast, prevents segfaults, and guarantees thread safety.".to_owned(),
|
||||
engine: smallvec!["Google".to_owned(), "DuckDuckGo".to_owned()],
|
||||
relevance_score:0.0
|
||||
},)
|
||||
);
|
||||
|
||||
|
|
@ -302,6 +329,7 @@ mod tests {
|
|||
description: "This domain is for use in illustrative examples in documents."
|
||||
.to_owned(),
|
||||
engine: smallvec!["Google".to_owned(), "Bing".to_owned()],
|
||||
relevance_score: 0.0,
|
||||
},
|
||||
));
|
||||
map_to_be_filtered.push((
|
||||
|
|
@ -311,6 +339,7 @@ mod tests {
|
|||
url: "https://www.rust-lang.org/".to_owned(),
|
||||
description: "A systems programming language that runs blazingly fast, prevents segfaults, and guarantees thread safety.".to_owned(),
|
||||
engine: smallvec!["Google".to_owned(), "DuckDuckGo".to_owned()],
|
||||
relevance_score:0.0
|
||||
},
|
||||
));
|
||||
|
||||
|
|
@ -367,6 +396,7 @@ mod tests {
|
|||
description: "This domain is for use in illustrative examples in documents."
|
||||
.to_owned(),
|
||||
engine: smallvec!["Google".to_owned(), "Bing".to_owned()],
|
||||
relevance_score: 0.0,
|
||||
},
|
||||
));
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue