1/*
2 * Copyright (C) 2011-2017 elementary Developers
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18namespace Contractor.ContractMatcher {
19    /**
20     * get contracts which support the passed MIME types
21     *
22     * @param mime_types the MIME types which have to be supported by the returned contracts
23     * @param contracts_to_filter a list of contracts to filter
24     *
25     * @return a Collection of Contract objects which support the file size
26     */
27    public Gee.Collection<Contract> get_contracts_for_types (string[] mime_types,
28        Gee.Collection<Contract> contracts_to_filter) throws ContractorError
29    {
30        var valid_contracts = new Gee.LinkedList<Contract> ();
31        var valid_mime_types = String.clean_array (mime_types);
32
33        if (valid_mime_types.length == 0) {
34            throw new ContractorError.NO_MIMETYPES_GIVEN ("No mimetypes were provided.");
35        }
36
37        foreach (var contract in contracts_to_filter) {
38            // Check if the contract supports ALL the types listed in mime_types
39            bool all_types_supported = true;
40
41            foreach (string mime_type in valid_mime_types) {
42                if (!contract.supports_mime_type (mime_type)) {
43                    all_types_supported = false;
44                    break;
45                }
46            }
47
48            if (all_types_supported) {
49                valid_contracts.add (contract);
50            }
51        }
52
53        return valid_contracts;
54    }
55
56    /**
57     * get contracts which support the passed file size
58     *
59     * @param file_size the file size which has to be supported by the returned contracts
60     * @param contracts_to_filter a list of contracts to filter
61     *
62     * @return a Collection of Contract objects which support the file size
63     */
64    public Gee.Collection<Contract> get_contracts_for_file_size (int64 file_size,
65        Gee.Collection<Contract> contracts_to_filter) throws ContractorError
66    {
67        var valid_contracts = new Gee.LinkedList<Contract> ();
68
69        foreach (var contract in contracts_to_filter) {
70            bool file_size_supported = true;
71
72            if (!contract.supports_file_size (file_size)) {
73                file_size_supported = false;
74            }
75
76            if (file_size_supported)
77                valid_contracts.add (contract);
78        }
79
80        return valid_contracts;
81    }
82
83    /**
84     * get contracts which support the passed MIME types and file size
85     *
86     * @param mime_types the MIME types which have to be supported by the returned contracts
87     * @param file_size the file size which has to be supported by the returned contracts
88     * @param contracts_to_filter a list of contracts to filter
89     *
90     * @return a Collection of Contract objects which support the MIME types and the file size
91     */
92    public Gee.Collection<Contract> get_contracts_for_types_and_file_size (string[] mime_types,
93        int64 file_size, Gee.Collection<Contract> contracts_to_filter) throws ContractorError
94    {
95        var contracts_for_types = get_contracts_for_types (mime_types, contracts_to_filter);
96        var valid_contracts = get_contracts_for_file_size (file_size, contracts_for_types);
97
98        return valid_contracts;
99    }
100}
101