feat(server): added proper filtering the BuildLog API

CHANGELOG.md

@@ -10,6 +10,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 * Database migrations
+* Query parameters for GitRepo API to filter responses
+* Respective CLI flags for new GitRepo API parameters
+
+### Changed
+
+* Refactor of main types into `models` module
 
 ## [0.3.0-alpha.2](https://git.rustybever.be/vieter/vieter/src/tag/0.3.0-alpha.2)
 

src/db/db.v

@@ -1,6 +1,7 @@
 module db
 
 import sqlite
+import time
 
 struct VieterDb {
 	conn sqlite.DB
@@ -66,3 +67,21 @@ pub fn init(db_path string) ?VieterDb {
 		conn: conn
 	}
 }
+
+pub fn row_into<T>(row sqlite.Row) T {
+	mut i := 0
+	mut out := T{}
+
+	$for field in T.fields {
+		$if field.typ is string {
+			out.$(field.name) = row.vals[i]
+		} $else $if field.typ is int {
+			out.$(field.name) = row.vals[i].int()
+		} $else $if field.typ is time.Time {
+			out.$(field.name) = time.unix(row.vals[i].int())
+		}
+
+		i += 1
+	}
+	return out
+}

src/db/logs.v

@@ -1,13 +1,59 @@
 module db
 
-import models { BuildLog }
+import models { BuildLog, BuildLogFilter }
+import time
 
 // get_build_logs returns all BuildLog's in the database.
-pub fn (db &VieterDb) get_build_logs() []BuildLog {
-	res := sql db.conn {
-		select from BuildLog order by id
+pub fn (db &VieterDb) get_build_logs(filter BuildLogFilter) []BuildLog {
+	mut where_parts := []string{}
+
+	if filter.repo != 0 {
+		where_parts << 'repo_id == $filter.repo'
 	}
 
+	if filter.before != time.Time{} {
+		where_parts << 'start_time < $filter.before.unix_time()'
+	}
+
+	if filter.after != time.Time{} {
+		where_parts << 'start_time > $filter.after.unix_time()'
+	}
+
+	// NOTE: possible SQL injection
+	if filter.arch != '' {
+		where_parts << "arch == '$filter.arch'"
+	}
+
+	println(filter.exit_codes)
+
+	mut parts := []string{}
+
+	for exp in filter.exit_codes {
+		if exp[0] == `!` {
+			code := exp[1..].int()
+
+			parts << 'exit_code != $code'
+		}else {
+			code := exp.int()
+
+			parts << 'exit_code == $code'
+		}
+	}
+
+	if parts.len > 0 {
+		where_parts << parts.map('($it)').join(' or ')
+	}
+
+	mut where_str := ''
+
+	if where_parts.len > 0 {
+		where_str = 'where ' + where_parts.map('($it)').join(' and ')
+	}
+
+	query := 'select * from BuildLog $where_str limit $filter.limit offset $filter.offset'
+	rows, _ := db.conn.exec(query)
+	res := rows.map(row_into<BuildLog>(it))
+
 	return res
 }
 

src/models/logs.v

@@ -3,7 +3,7 @@ module models
 import time
 
 pub struct BuildLog {
-pub:
+pub mut:
 	id         int       [primary; sql: serial]
 	repo_id    int       [nonull]
 	start_time time.Time [nonull]
@@ -26,3 +26,15 @@ pub fn (bl &BuildLog) str() string {
 
 	return str
 }
+
+[params]
+pub struct BuildLogFilter {
+pub mut:
+	limit                u64 = 25
+	offset               u64
+	repo                 int
+	before               time.Time
+	after                time.Time
+	arch                 string
+	exit_codes []string
+}

src/models/models.v

@@ -1,5 +1,7 @@
 module models
 
+import time
+
 // from_params<T> creates a new instance of T from the given map by parsing all
 // of its fields from the map.
 pub fn from_params<T>(params map[string]string) ?T {
@@ -23,7 +25,12 @@ pub fn patch_from_params<T>(mut o T, params map[string]string) ? {
 				o.$(field.name) = params[field.name].u64()
 			} $else $if field.typ is []GitRepoArch {
 				o.$(field.name) = params[field.name].split(',').map(GitRepoArch{ value: it })
+			} $else $if field.typ is time.Time {
+				o.$(field.name) = time.unix(params[field.name].int())
+			} $else $if field.typ is []string {
+				o.$(field.name) = params[field.name].split(',')
 			}
+
 		} else if field.attrs.contains('nonull') {
 			return error('Missing parameter: ${field.name}.')
 		}

src/server/logs.v

@@ -8,7 +8,7 @@ import db
 import time
 import os
 import util
-import models { BuildLog }
+import models { BuildLog, BuildLogFilter }
 
 // get_logs returns all build logs in the database. A 'repo' query param can
 // optionally be added to limit the list of build logs to that repository.
@@ -18,11 +18,10 @@ fn (mut app App) get_logs() web.Result {
 		return app.json(http.Status.unauthorized, new_response('Unauthorized.'))
 	}
 
-	logs := if 'repo' in app.query {
-		app.db.get_build_logs_for_repo(app.query['repo'].int())
-	} else {
-		app.db.get_build_logs()
+	filter := models.from_params<BuildLogFilter>(app.query) or {
+		return app.json(http.Status.bad_request, new_response('Invalid query parameters.'))
 	}
+	logs := app.db.get_build_logs(filter)
 
 	return app.json(http.Status.ok, new_data_response(logs))
 }