diff --git a/.travis.yml b/.travis.yml index 6aa3783a..8388780b 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,6 +1,21 @@ language: rust cache: cargo +branches: + except: + - /^v[0-9]/ + +services: + - postgresql + +env: + - DATABASE_URL=postgres://postgres@localhost/test + +before_script: + - psql -U postgres -c 'create database test' + - psql -U postgres -d test -c 'create extension postgis' + - psql -U postgres -d test -f fixtures/tilebbox.sql + - psql -U postgres -d test -f fixtures/points.sql + script: - - cargo build --verbose --all - cargo test --verbose --all \ No newline at end of file diff --git a/Cargo.lock b/Cargo.lock index aa3c7867..bff88252 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1,9 +1,9 @@ [[package]] name = "aho-corasick" -version = "0.6.3" +version = "0.6.4" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -16,13 +16,13 @@ name = "base64" version = "0.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)", + "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)", "safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "bitflags" -version = "0.7.0" +version = "1.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] @@ -41,18 +41,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "byteorder" -version = "1.1.0" +version = "1.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "bytes" -version = "0.4.5" +version = "0.4.6" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)", + "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)", "iovec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "cfg-if" +version = "0.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" + [[package]] name = "constant_time_eq" version = "0.1.3" @@ -87,24 +92,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "fallible-iterator" -version = "0.1.3" +version = "0.1.4" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "fuchsia-zircon" -version = "0.2.1" +version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "fuchsia-zircon-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", + "bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)", + "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "fuchsia-zircon-sys" -version = "0.2.0" +version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)", -] [[package]] name = "generic-array" @@ -132,7 +135,7 @@ dependencies = [ [[package]] name = "httparse" -version = "1.2.3" +version = "1.2.4" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] @@ -141,12 +144,12 @@ version = "0.10.13" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", - "httparse 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)", + "httparse 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)", "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", - "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)", - "num_cpus 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)", - "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)", + "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)", + "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)", "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)", @@ -168,7 +171,7 @@ name = "iovec" version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)", "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", ] @@ -178,29 +181,32 @@ version = "0.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)", - "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", "mime_guess 1.8.3 (registry+https://github.com/rust-lang/crates.io-index)", "modifier 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", - "num_cpus 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)", + "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)", "plugin 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)", "typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)", "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "iron-test" +version = "0.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)", + "iron 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", + "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)", + "uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + [[package]] name = "itoa" version = "0.3.4" source = "registry+https://github.com/rust-lang/crates.io-index" -[[package]] -name = "kernel32-sys" -version = "0.2.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", - "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "language-tags" version = "0.2.2" @@ -211,31 +217,48 @@ name = "lazy_static" version = "0.2.11" source = "registry+https://github.com/rust-lang/crates.io-index" +[[package]] +name = "lazy_static" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + [[package]] name = "libc" -version = "0.2.33" +version = "0.2.36" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "log" -version = "0.3.8" +version = "0.3.9" source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "log" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", +] [[package]] name = "martin" version = "0.1.0" dependencies = [ "iron 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", + "iron-test 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)", "persistent 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", "postgres 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)", "r2d2 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)", "r2d2_postgres 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)", - "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", + "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)", "rererouter 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "serde 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_derive 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_json 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)", + "serde_derive 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)", + "serde_json 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)", "tilejson 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", ] @@ -254,7 +277,15 @@ name = "memchr" version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "memchr" +version = "2.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -262,7 +293,7 @@ name = "mime" version = "0.2.6" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -288,15 +319,15 @@ source = 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- "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)", - "fallible-iterator 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)", - "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", + "bytes 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)", + "fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", "postgres-protocol 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", "postgres-shared 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", ] @@ -374,14 +405,14 @@ version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", - "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)", - "bytes 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)", - "fallible-iterator 0.1.3 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"registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "fallible-iterator 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)", + "fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)", "hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", "phf 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)", "postgres-protocol 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)", - "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)", + "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)", "uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)", ] @@ -410,7 +441,7 @@ version = "0.7.4" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)", - "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", + "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)", "scheduled-thread-pool 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", ] @@ -426,33 +457,33 @@ dependencies = [ [[package]] name = "rand" -version = "0.3.18" +version = "0.3.20" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "fuchsia-zircon 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)", + "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)", + "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "redox_syscall" -version = "0.1.31" +version = "0.1.37" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "regex" -version = "0.2.2" +version = "0.2.5" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "aho-corasick 0.6.3 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(registry+https://github.com/rust-lang/crates.io-index)", - "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", + "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -479,22 +510,22 @@ dependencies = [ [[package]] name = "serde" -version = "1.0.21" +version = "1.0.27" source = "registry+https://github.com/rust-lang/crates.io-index" [[package]] name = "serde_derive" -version = "1.0.21" +version = "1.0.27" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_derive_internals 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)", + "serde_derive_internals 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)", "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "serde_derive_internals" -version = "0.17.0" +version = "0.19.0" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)", @@ -503,13 +534,13 @@ dependencies = [ [[package]] name = "serde_json" -version = "1.0.6" +version = "1.0.9" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ "dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)", "itoa 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)", - "num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)", - "serde 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)", + "num-traits 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)", + "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] @@ -558,10 +589,10 @@ dependencies = [ [[package]] name = "thread_local" -version = "0.3.4" +version = "0.3.5" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)", + "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)", "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)", ] @@ -570,20 +601,19 @@ name = "tilejson" version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - "serde 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_derive 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_json 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)", + "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)", + "serde_derive 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)", + "serde_json 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)", ] [[package]] name = "time" -version = "0.1.38" +version = "0.1.39" source = "registry+https://github.com/rust-lang/crates.io-index" dependencies = [ - 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"2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc" +"checksum winapi 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b09fb3b6f248ea4cd42c9a65113a847d612e17505d6ebd1f7357ad68a8bf8693" +"checksum winapi-i686-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ec6667f60c23eca65c561e63a13d81b44234c2e38a6b6c959025ee907ec614cc" +"checksum winapi-x86_64-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "98f12c52b2630cd05d2c3ffd8e008f7f48252c042b4871c72aed9dc733b96668" diff --git a/Cargo.toml b/Cargo.toml index e2b5fc52..d4376e37 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -10,6 +10,7 @@ path = "src/main.rs" [dependencies] regex = "0.2.2" iron = "0.6.0" +iron-test = "0.6.0" rererouter = "0.1.1" persistent = "0.4.0" lazy_static = "0.2.11" diff --git a/fixtures/points.sql b/fixtures/points.sql new file mode 100644 index 00000000..06327419 --- /dev/null +++ b/fixtures/points.sql @@ -0,0 +1,6 @@ +create table points(gid serial PRIMARY KEY, geom geometry(GEOMETRY, 4326)); + +INSERT INTO points + SELECT + generate_series(1, 1000) as id, + (ST_Dump(ST_GeneratePoints(ST_GeomFromText('POLYGON ((-180 90, 180 90, 180 -90, -180 -90, -180 90))', 4326), 1000))).geom; diff --git a/fixtures/tilebbox.sql b/fixtures/tilebbox.sql new file mode 100644 index 00000000..07cef7ad --- /dev/null +++ b/fixtures/tilebbox.sql @@ -0,0 +1,37 @@ +/* https://github.com/mapbox/postgis-vt-util/blob/master/postgis-vt-util.sql */ + +/****************************************************************************** +### TileBBox ### +Given a Web Mercator tile ID as (z, x, y), returns a bounding-box +geometry of the area covered by that tile. +__Parameters:__ +- `integer` z - A tile zoom level. +- `integer` x - A tile x-position. +- `integer` y - A tile y-position. +- `integer` srid - SRID of the desired target projection of the bounding + box. Defaults to 3857 (Web Mercator). +__Returns:__ `geometry(polygon)` +******************************************************************************/ +create or replace function TileBBox (z int, x int, y int, srid int = 3857) + returns geometry + language plpgsql immutable as +$func$ +declare + max numeric := 20037508.34; + res numeric := (max*2)/(2^z); + bbox geometry; +begin + bbox := ST_MakeEnvelope( + -max + (x * res), + max - (y * res), + -max + (x * res) + res, + max - (y * res) - res, + 3857 + ); + if srid = 3857 then + return bbox; + else + return ST_Transform(bbox, srid); + end if; +end; +$func$; \ No newline at end of file diff --git a/src/db.rs b/src/db.rs index 4512068e..72abc61e 100644 --- a/src/db.rs +++ b/src/db.rs @@ -1,5 +1,4 @@ use std::error::Error; -use std::collections::HashMap; use iron::typemap::Key; use iron::prelude::{Plugin, Request}; @@ -25,90 +24,3 @@ pub fn get_connection(req: &mut Request) -> Result Result, Box> { - let rows = try!(conn.query(&tileset.query, &[&z, &x, &y])); - let tile = rows.get(0).get("st_asmvt"); - Ok(tile) -} - -#[derive(Serialize, Debug)] -pub struct Tileset { - schema: String, - table: String, - geometry_column: String, - srid: i32, - extent: i32, - buffer: i32, - clip_geom: bool, - geometry_type: String, - query: String -} - -pub struct Tilesets; -impl Key for Tilesets { type Value = HashMap; } - -pub fn get_tilesets(conn: PostgresConnection) -> Result, Box> { - let query = " - select - f_table_schema, f_table_name, f_geometry_column, srid, type - from geometry_columns - "; - - let default_extent = 4096; - let default_buffer = 0; // 256 - let default_clip_geom = true; - - let mut tilesets = HashMap::new(); - let rows = try!(conn.query(&query, &[])); - - for row in &rows { - let schema: String = row.get("f_table_schema"); - let table: String = row.get("f_table_name"); - let id = format!("{}.{}", schema, table); - - let geometry_column: String = row.get("f_geometry_column"); - let srid: i32 = row.get("srid"); - - let transformed_geometry = if srid == 3857 { - geometry_column.clone() - } else { - format!("ST_Transform({0}, 3857)", geometry_column) - }; - - let query = format!( - "SELECT ST_AsMVT(q, '{1}', {4}, '{2}') FROM (\ - SELECT ST_AsMVTGeom(\ - {3}, \ - TileBBox($1, $2, $3, 3857), \ - {4}, \ - {5}, \ - {6}\ - ) AS geom FROM {0}.{1}\ - ) AS q;", - schema, - table, - geometry_column, - transformed_geometry, - default_extent, - default_buffer, - default_clip_geom - ); - - let tileset = Tileset { - schema: schema, - table: table, - geometry_column: geometry_column, - srid: srid, - extent: default_extent, - buffer: default_buffer, - clip_geom: default_clip_geom, - geometry_type: row.get("type"), - query: query - }; - - tilesets.insert(id, tileset); - } - - Ok(tilesets) -} \ No newline at end of file diff --git a/src/main.rs b/src/main.rs index 08527eac..2f4fe829 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,10 +1,11 @@ extern crate iron; extern crate regex; +extern crate iron_test; extern crate persistent; +extern crate tilejson; extern crate rererouter; extern crate r2d2; extern crate r2d2_postgres; -// #[macro_use] extern crate lazy_static; #[macro_use] extern crate serde_derive; @@ -12,8 +13,6 @@ extern crate serde_derive; extern crate serde; extern crate serde_json; -extern crate tilejson; - use std::env; use persistent::Read; use rererouter::RouterBuilder; @@ -22,11 +21,9 @@ use iron::prelude::{Iron, Chain}; mod db; mod cors; mod routes; +mod tileset; -fn main() { - let conn_string: String = env::var("DATABASE_URL") - .expect("DATABASE_URL must be set"); - +pub fn app(conn_string: String) -> iron::Chain { let mut router_builder = RouterBuilder::new(); router_builder.get(r"/index.json", routes::index); router_builder.get(r"/(?P[\w|\.]*)\.json", routes::tileset); @@ -39,8 +36,8 @@ fn main() { match db::setup_connection_pool(&conn_string, 10) { Ok(pool) => { let conn = pool.get().unwrap(); - let tilesets = db::get_tilesets(conn).unwrap(); - chain.link(Read::::both(tilesets)); + let tilesets = tileset::get_tilesets(conn).unwrap(); + chain.link(Read::::both(tilesets)); chain.link(Read::::both(pool)); }, @@ -52,8 +49,40 @@ fn main() { chain.link_after(cors::Middleware); + chain +} + +fn main() { + let conn_string: String = env::var("DATABASE_URL") + .expect("DATABASE_URL must be set"); + + let chain = app(conn_string); + let port = 3000; let bind_addr = format!("0.0.0.0:{}", port); println!("Server has been started on {}.", bind_addr); Iron::new(chain).http(bind_addr.as_str()).unwrap(); } + +#[cfg(test)] +mod tests { + use std::env; + use iron::Headers; + use iron_test::{request, response}; + + use super::app; + + #[test] + fn test_index() { + let conn_string: String = env::var("DATABASE_URL") + .expect("DATABASE_URL must be set"); + + let chain = app(conn_string); + + let headers = Headers::new(); + let response = request::get("http://localhost:3000/index.json", headers, &chain).unwrap(); + + let result_body = response::extract_body_to_bytes(response); + assert_eq!(result_body, b"{}"); + } +} \ No newline at end of file diff --git a/src/routes.rs b/src/routes.rs index fa62aaf1..273571d1 100644 --- a/src/routes.rs +++ b/src/routes.rs @@ -5,26 +5,34 @@ use persistent::Read; use serde_json; use super::db; +use super::tileset; use tilejson::TileJSONBuilder; pub fn index(_req: &mut Request, _caps: Captures) -> IronResult { - println!("index.json"); + // let tilesets = req.get::>().unwrap(); + // let serialized_tilesets = serde_json::to_string(&tilesets).unwrap(); + // Ok(Response::with((status::Ok, serialized_tilesets))) + Ok(Response::with((status::Ok, "{}"))) } -pub fn tileset(_req: &mut Request, _caps: Captures) -> IronResult { +pub fn tileset(req: &mut Request, caps: Captures) -> IronResult { + let tilesets = req.get::>().unwrap(); + let tileset = match tilesets.get(&caps["tileset"]) { + Some(tileset) => tileset, + None => return Ok(Response::with((status::NotFound))) + }; + let mut tilejson_builder = TileJSONBuilder::new(); - - tilejson_builder.name("some tileset!!11"); - + tilejson_builder.name(&tileset.table); let tilejson = tilejson_builder.finalize(); + let serialized_tilejson = serde_json::to_string(&tilejson).unwrap(); - Ok(Response::with((status::Ok, serialized_tilejson))) } pub fn tile(req: &mut Request, caps: Captures) -> IronResult { - let tilesets = req.get::>().unwrap(); + let tilesets = req.get::>().unwrap(); let tileset = match tilesets.get(&caps["tileset"]) { Some(tileset) => tileset, None => return Ok(Response::with((status::NotFound))) @@ -42,7 +50,7 @@ pub fn tile(req: &mut Request, caps: Captures) -> IronResult { let x: &i32 = &caps["x"].parse().unwrap(); let y: &i32 = &caps["y"].parse().unwrap(); - let tile = match db::get_tile(conn, &tileset, z, x, y) { + let tile = match tileset::get_tile(conn, &tileset, z, x, y) { Ok(tile) => tile, Err(error) => { eprintln!("Couldn't get a tile: {}", error); diff --git a/src/tileset.rs b/src/tileset.rs new file mode 100644 index 00000000..e011d9fe --- /dev/null +++ b/src/tileset.rs @@ -0,0 +1,92 @@ +use std::error::Error; +use std::collections::HashMap; +use iron::typemap::Key; + +use super::db::PostgresConnection; + +#[derive(Serialize, Debug)] +pub struct Tileset { + schema: String, + pub table: String, + geometry_column: String, + srid: i32, + extent: i32, + buffer: i32, + clip_geom: bool, + geometry_type: String, + query: String +} + +pub struct Tilesets; +impl Key for Tilesets { type Value = HashMap; } + +pub fn get_tilesets(conn: PostgresConnection) -> Result, Box> { + let query = " + select + f_table_schema, f_table_name, f_geometry_column, srid, type + from geometry_columns + "; + + let default_extent = 4096; + let default_buffer = 0; // 256 + let default_clip_geom = true; + + let mut tilesets = HashMap::new(); + let rows = try!(conn.query(&query, &[])); + + for row in &rows { + let schema: String = row.get("f_table_schema"); + let table: String = row.get("f_table_name"); + let id = format!("{}.{}", schema, table); + + let geometry_column: String = row.get("f_geometry_column"); + let srid: i32 = row.get("srid"); + + let transformed_geometry = if srid == 3857 { + geometry_column.clone() + } else { + format!("ST_Transform({0}, 3857)", geometry_column) + }; + + let query = format!( + "SELECT ST_AsMVT(q, '{1}', {4}, '{2}') FROM (\ + SELECT ST_AsMVTGeom(\ + {3}, \ + TileBBox($1, $2, $3, 3857), \ + {4}, \ + {5}, \ + {6}\ + ) AS geom FROM {0}.{1}\ + ) AS q;", + schema, + table, + geometry_column, + transformed_geometry, + default_extent, + default_buffer, + default_clip_geom + ); + + let tileset = Tileset { + schema: schema, + table: table, + geometry_column: geometry_column, + srid: srid, + extent: default_extent, + buffer: default_buffer, + clip_geom: default_clip_geom, + geometry_type: row.get("type"), + query: query + }; + + tilesets.insert(id, tileset); + } + + Ok(tilesets) +} + +pub fn get_tile(conn: PostgresConnection, tileset: &Tileset, z: &i32, x: &i32, y: &i32) -> Result, Box> { + let rows = try!(conn.query(&tileset.query, &[&z, &x, &y])); + let tile = rows.get(0).get("st_asmvt"); + Ok(tile) +} \ No newline at end of file