fenglin/manage/export_article.php

<?php
        if (!isset($_SERVER["argc"]))
        {
                echo "Invalid usage";
                exit();
        }

        chdir(dirname($_SERVER["argv"][0]));

        require_once "../lib/db_open.inc.php";
        require_once "../lib/common.inc.php";

        $export_dir = "../export_xml";
        $export_state_file = $export_dir . "/export_state.json";
        $export_batch_size = 100;

        $export_state = array(
                "last_aid" => -1,
                "last_mid" => -1,
        );

        if (!file_exists($export_dir) && mkdir($export_dir, 0750) == false)
        {
                echo ("Create dir error!");
                exit(-1);
        }

        if(file_exists($export_state_file))
        {
                $export_state_json = file_get_contents($export_state_file);
                if ($export_state_json !== false)
                {
                        $export_state_loaded = json_decode($export_state_json, true);
                        if (isset($export_state_loaded["last_aid"]))
                        {
                                $export_state["last_aid"] = intval($export_state_loaded["last_aid"]);
                        }
                        if (isset($export_state_loaded["last_mid"]))
                        {
                                $export_state["last_mid"] = intval($export_state_loaded["last_mid"]);
                        }
                }
        }

        if ($export_state["last_mid"] == -1)
        {
                $sql = "SELECT MID FROM bbs_article_op ORDER BY MID DESC LIMIT 1";

                $rs = mysqli_query($db_conn, $sql);
                if ($rs == false)
                {
                        echo "Query article log error: " . mysqli_error($db_conn);
                        mysqli_close($db_conn);
                        exit(-2);
                }

                if ($row = mysqli_fetch_array($rs))
                {
                        $export_state["last_mid"] = intval($row["MID"]);
                }

                mysqli_free_result($rs);
        }

        $ret = 0;
        while ($ret == 0)
        {
                $sql = "SELECT AID FROM bbs WHERE AID > " . $export_state["last_aid"] .
                                " AND TID = 0 AND visible ORDER BY AID LIMIT $export_batch_size";

                $rs = mysqli_query($db_conn, $sql);
                if ($rs == false)
                {
                        echo "Query article list error: " . mysqli_error($db_conn);
                        $ret = -2;
                        break;
                }

                $last_aid = $export_state["last_aid"];

                while($row = mysqli_fetch_array($rs))
                {
                        $last_aid = intval($row["AID"]);

                        $buffer = shell_exec($PHP_bin . " ../bbs/view_article.php export_xml " . $row["AID"]);
                        if (!$buffer || ($buffer[0] == "<" && file_put_contents($export_dir . "/" . $row["AID"] . ".xml", $buffer) == false))
                        {
                                echo ("Write " . $row["AID"] . ".xml error!");
                                $ret = -3;
                                break;
                        }
                }

                mysqli_free_result($rs);

                if ($ret != 0)
                {
                        break;
                }

                if ($export_state["last_aid"] == $last_aid)
                {
                        break;
                }
                $export_state["last_aid"] = $last_aid;

                echo (json_encode($export_state)) . "\n";
                file_put_contents($export_state_file, json_encode($export_state));
        }

        while($ret == 0)
        {
                $sql = "SELECT MID, bbs.AID, bbs.TID, type FROM bbs_article_op
                                INNER JOIN bbs ON bbs_article_op.AID = bbs.AID
                                WHERE MID > " . $export_state["last_mid"] .
                                " AND type NOT IN ('A') ORDER BY MID LIMIT $export_batch_size";

                $rs = mysqli_query($db_conn, $sql);
                if ($rs == false)
                {
                        echo "Query article log error: " . mysqli_error($db_conn);
                        $ret = -4;
                        break;
                }

                $export_aid_list = array();
                $delete_aid_list = array();

                $last_mid = $export_state["last_mid"];

                while($row = mysqli_fetch_array($rs))
                {
                        $last_mid = intval($row["MID"]);
                        $aid = ($row["TID"] == 0 ? $row["AID"] : $row["TID"]);

                        switch ($row["type"])
                        {
                                case 'D': // Delete article
                                case 'X': // Delete article by Admin
                                        if ($row["TID"] == 0)
                                        {
                                                // Topic
                                                unset($export_aid_list[$aid]);
                                                $delete_aid_list[$aid] = true;
                                        }
                                        else
                                        {
                                                // Reply
                                                unset($delete_aid_list[$aid]);
                                                $export_aid_list[$aid] = true;
                                        }
                                        break;
                                case 'S': // Restore article
                                case 'M': // Modify article
                                case 'T': // Move article
                                case 'Z': // Set article as trnasship
                                        unset($delete_aid_list[$aid]);
                                        $export_aid_list[$aid] = true;
                                        break;
                                default:
                                        // Unknown type
                                        break;
                        }
                }

                mysqli_free_result($rs);

                foreach($delete_aid_list as $aid => $dummy)
                {
                        $export_file = $export_dir . "/" . $aid . ".xml";

                        if (file_exists($export_file) && unlink($export_file) == false)
                        {
                                echo ("Delete " . $aid . ".xml error!");
                                $ret = -3;
                                break;
                        }
                }

                if ($ret != 0)
                {
                        break;
                }

                foreach($export_aid_list as $aid => $dummy)
                {
                        $buffer = shell_exec($PHP_bin . " ../bbs/view_article.php export_xml " . $aid);
                        if (!$buffer || ($buffer[0] == "<" && file_put_contents($export_dir . "/" . $aid . ".xml", $buffer) == false))
                        {
                                echo ("Write " . $aid . ".xml error!");
                                $ret = -3;
                                break;
                        }
                }

                if ($ret != 0)
                {
                        break;
                }

                unset($export_aid_list);
                unset($delete_aid_list);

                if ($export_state["last_mid"] == $last_mid)
                {
                        break;
                }
                $export_state["last_mid"] = $last_mid;

                echo (json_encode($export_state)) . "\n";
                file_put_contents($export_state_file, json_encode($export_state));
        }

        mysqli_close($db_conn);

        exit($ret);
1	sysadm	1.1	<?php
2			if (!isset($_SERVER["argc"]))
3			{
4			echo "Invalid usage";
5			exit();
6			}
7
8			chdir(dirname($_SERVER["argv"][0]));
9
10			require_once "../lib/db_open.inc.php";
11			require_once "../lib/common.inc.php";
12
13			$export_dir = "../export_xml";
14			$export_state_file = $export_dir . "/export_state.json";
15			$export_batch_size = 100;
16
17			$export_state = array(
18			"last_aid" => -1,
19			"last_mid" => -1,
20			);
21
22			if (!file_exists($export_dir) && mkdir($export_dir, 0750) == false)
23			{
24			echo ("Create dir error!");
25			exit(-1);
26			}
27
28			if(file_exists($export_state_file))
29			{
30			$export_state_json = file_get_contents($export_state_file);
31			if ($export_state_json !== false)
32			{
33			$export_state_loaded = json_decode($export_state_json, true);
34			if (isset($export_state_loaded["last_aid"]))
35			{
36			$export_state["last_aid"] = intval($export_state_loaded["last_aid"]);
37			}
38			if (isset($export_state_loaded["last_mid"]))
39			{
40			$export_state["last_mid"] = intval($export_state_loaded["last_mid"]);
41			}
42			}
43			}
44
45			if ($export_state["last_mid"] == -1)
46			{
47			$sql = "SELECT MID FROM bbs_article_op ORDER BY MID DESC LIMIT 1";
48
49			$rs = mysqli_query($db_conn, $sql);
50			if ($rs == false)
51			{
52			echo "Query article log error: " . mysqli_error($db_conn);
53			mysqli_close($db_conn);
54			exit(-2);
55			}
56
57			if ($row = mysqli_fetch_array($rs))
58			{
59			$export_state["last_mid"] = intval($row["MID"]);
60			}
61
62			mysqli_free_result($rs);
63			}
64
65			$ret = 0;
66			while ($ret == 0)
67			{
68			$sql = "SELECT AID FROM bbs WHERE AID > " . $export_state["last_aid"] .
69			" AND TID = 0 AND visible ORDER BY AID LIMIT $export_batch_size";
70
71			$rs = mysqli_query($db_conn, $sql);
72			if ($rs == false)
73			{
74			echo "Query article list error: " . mysqli_error($db_conn);
75			$ret = -2;
76			break;
77			}
78
79			$last_aid = $export_state["last_aid"];
80
81			while($row = mysqli_fetch_array($rs))
82			{
83			$last_aid = intval($row["AID"]);
84
85			$buffer = shell_exec($PHP_bin . " ../bbs/view_article.php export_xml " . $row["AID"]);
86			if (!$buffer \|\| ($buffer[0] == "<" && file_put_contents($export_dir . "/" . $row["AID"] . ".xml", $buffer) == false))
87			{
88			echo ("Write " . $row["AID"] . ".xml error!");
89			$ret = -3;
90			break;
91			}
92			}
93
94			mysqli_free_result($rs);
95
96			if ($ret != 0)
97			{
98			break;
99			}
100
101			if ($export_state["last_aid"] == $last_aid)
102			{
103			break;
104			}
105			$export_state["last_aid"] = $last_aid;
106
107			echo (json_encode($export_state)) . "\n";
108			file_put_contents($export_state_file, json_encode($export_state));
109			}
110
111			while($ret == 0)
112			{
113			$sql = "SELECT MID, bbs.AID, bbs.TID, type FROM bbs_article_op
114			INNER JOIN bbs ON bbs_article_op.AID = bbs.AID
115			WHERE MID > " . $export_state["last_mid"] .
116			" AND type NOT IN ('A') ORDER BY MID LIMIT $export_batch_size";
117
118			$rs = mysqli_query($db_conn, $sql);
119			if ($rs == false)
120			{
121			echo "Query article log error: " . mysqli_error($db_conn);
122			$ret = -4;
123			break;
124			}
125
126			$export_aid_list = array();
127			$delete_aid_list = array();
128
129			$last_mid = $export_state["last_mid"];
130
131			while($row = mysqli_fetch_array($rs))
132			{
133			$last_mid = intval($row["MID"]);
134			$aid = ($row["TID"] == 0 ? $row["AID"] : $row["TID"]);
135
136			switch ($row["type"])
137			{
138			case 'D': // Delete article
139			case 'X': // Delete article by Admin
140			if ($row["TID"] == 0)
141			{
142			// Topic
143			unset($export_aid_list[$aid]);
144			$delete_aid_list[$aid] = true;
145			}
146			else
147			{
148			// Reply
149			unset($delete_aid_list[$aid]);
150			$export_aid_list[$aid] = true;
151			}
152			break;
153			case 'S': // Restore article
154			case 'M': // Modify article
155			case 'T': // Move article
156			case 'Z': // Set article as trnasship
157			unset($delete_aid_list[$aid]);
158			$export_aid_list[$aid] = true;
159			break;
160			default:
161			// Unknown type
162			break;
163			}
164			}
165
166			mysqli_free_result($rs);
167
168			foreach($delete_aid_list as $aid => $dummy)
169			{
170			$export_file = $export_dir . "/" . $aid . ".xml";
171
172			if (file_exists($export_file) && unlink($export_file) == false)
173			{
174			echo ("Delete " . $aid . ".xml error!");
175			$ret = -3;
176			break;
177			}
178			}
179
180			if ($ret != 0)
181			{
182			break;
183			}
184
185			foreach($export_aid_list as $aid => $dummy)
186			{
187			$buffer = shell_exec($PHP_bin . " ../bbs/view_article.php export_xml " . $aid);
188			if (!$buffer \|\| ($buffer[0] == "<" && file_put_contents($export_dir . "/" . $aid . ".xml", $buffer) == false))
189			{
190			echo ("Write " . $aid . ".xml error!");
191			$ret = -3;
192			break;
193			}
194			}
195
196			if ($ret != 0)
197			{
198			break;
199			}
200
201			unset($export_aid_list);
202			unset($delete_aid_list);
203
204			if ($export_state["last_mid"] == $last_mid)
205			{
206			break;
207			}
208			$export_state["last_mid"] = $last_mid;
209
210			echo (json_encode($export_state)) . "\n";
211			file_put_contents($export_state_file, json_encode($export_state));
212			}
213
214			mysqli_close($db_conn);
215
216			exit($ret);
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