thomas
/
weight-track
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First Test

Thomas Buck 5 年前
父节点
52e1607764
当前提交
64051cfbec
共有 5 个文件被更改，包括 491 次插入 和 9 次删除
分列视图 显示文件统计
  1. 2
    0
      .gitignore
  2. 8
    0
      config.example.php
  3. 225
    0
      index.html
  4. 0
    9
      index.php
  5. 256
    0
      weight.php

+ 2
- 0
.gitignore 查看文件 

@@ -0,0 +1,2 @@
1 
+.DS_Store
2 
+config.php

+ 8
- 0
config.example.php 查看文件 

@@ -0,0 +1,8 @@
1 
+<?php
2 
+
3 
+$sql_host = 'localhost';
4 
+$sql_username = 'root';
5 
+$sql_password = '';
6 
+$sql_database = 'weight-test';
7 
+
8 
+?>

+ 225
- 0
index.html 查看文件 

@@ -0,0 +1,225 @@
1 
+<html lang="en">
2 
+    <head>
3 
+        <meta charset="utf-8" />
4 
+        <title>Weight-Track</title>
5 
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.3/Chart.bundle.min.js" integrity="sha256-MZo5XY1Ah7Z2Aui4/alkfeiq3CopMdV/bbkc/Sh41+s=" crossorigin="anonymous"></script>
6 
+    </head>
7 
+    <body>
8 
+        <div id="content">
9 
+            <h1>Weight-Track</h1>
10 
+            <p id="status">Please wait while Weight-Track is loading... (JavaScript needed)</p>
11 
+        </div>
12 
+        <div id="footer">
13 
+            <p>Made with <a href="https://www.chartjs.org/docs/latest/">Chart.js</a></p>
14 
+        </div>
15 
+        <script type="text/javascript">
16 
+            var colorFromIndex = function(index) {
17 
+                var colors = [
18 
+                    '255, 99, 132',
19 
+                    '54, 162, 235',
20 
+                    '255, 206, 86',
21 
+                    '75, 192, 192',
22 
+                    '153, 102, 255',
23 
+                    '255, 159, 64'
24 
+                ];
25 
+                if (index < colors.length) {
26 
+                    return colors[index];
27 
+                } else {
28 
+                    return '120, 120, 120';
29 
+                }
30 
+            };
31 
+
32 
+            var createDataset = function(name, data, color) {
33 
+                return {
34 
+                    label: name,
35 
+                    data: data,
36 
+                    backgroundColor: [
37 
+                        'rgba(' + color + ', 0)'
38 
+                    ],
39 
+                    borderColor: [
40 
+                        'rgba(' + color + ', 1)'
41 
+                    ],
42 
+                    borderWidth: 4
43 
+                };
44 
+            };
45 
+
46 
+            var addToForm = function(form, element, name) {
47 
+                var fe = document.createElement('p');
48 
+                fe.innerHTML = name + ' ';
49 
+                fe.appendChild(element);
50 
+                form.appendChild(fe);
51 
+            };
52 
+
53 
+            var renderUser = function(data) {
54 
+                var div = document.createElement('div');
55 
+                var ctx = document.createElement('canvas');
56 
+
57 
+                var datasets = [];
58 
+                for (var i = 0; i < data.users.length; i++) {
59 
+                    var set = createDataset(data.users[i].name,
60 
+                            data.users[i].data, colorFromIndex(i));
61 
+                    datasets.push(set);
62 
+                }
63 
+
64 
+                var chart = new Chart(ctx, {
65 
+                    type: 'line',
66 
+                    data: {
67 
+                        datasets: datasets
68 
+                    },
69 
+                    options: {
70 
+                        scales: {
71 
+                            xAxes: [{
72 
+                                type: 'time',
73 
+                                time: {
74 
+                                    unit: 'day'
75 
+                                }
76 
+                            }]
77 
+                        },
78 
+                        events: [
79 
+                            'mousemove', 'mouseout', 'click',
80 
+                            'touchstart', 'touchmove', 'touchend'
81 
+                        ],
82 
+                        tooltips: {
83 
+                            mode: 'nearest',
84 
+                            intersect: false,
85 
+                            axis: 'x'
86 
+                        }
87 
+                    }
88 
+                });
89 
+
90 
+                if (data.users.length > 0) {
91 
+                    div.appendChild(ctx);
92 
+                    div.appendChild(document.createElement('hr'));
93 
+
94 
+                    var date = new Date();
95 
+                    var hours = date.getHours();
96 
+                    hours = (hours < 10) ? '0' + hours : hours;
97 
+                    var minutes = date.getMinutes();
98 
+                    minutes = (minutes < 10) ? '0' + minutes : minutes;
99 
+
100 
+                    var form_append = document.createElement('form');
101 
+                    form_append.setAttribute('method', 'post');
102 
+                    form_append.setAttribute('action', 'weight.php');
103 
+
104 
+                    var p_append = document.createElement('p');
105 
+                    p_append.innerHTML = 'Add new Data-Point:';
106 
+                    form_append.appendChild(p_append);
107 
+
108 
+                    var name_append = document.createElement('select');
109 
+                    for (var i = 0; i < data.users.length; i++) {
110 
+                        var option = document.createElement('option');
111 
+                        option.text = data.users[i].name;
112 
+                        option.value = 'user_' + data.users[i].id;
113 
+                        name_append.add(option);
114 
+                    }
115 
+                    name_append.setAttribute('name', 'username');
116 
+                    name_append.required = true;
117 
+                    addToForm(form_append, name_append, 'Username:');
118 
+
119 
+                    var date_append = document.createElement('input');
120 
+                    date_append.setAttribute('type', 'date');
121 
+                    date_append.setAttribute('name', 'date');
122 
+                    date_append.setAttribute('placeholder', 'Date');
123 
+                    date_append.required = true;
124 
+                    date_append.value = date.toISOString().slice(0, 10);
125 
+                    addToForm(form_append, date_append, 'Date:');
126 
+
127 
+                    var time_append = document.createElement('input');
128 
+                    time_append.setAttribute('type', 'time');
129 
+                    time_append.setAttribute('name', 'time');
130 
+                    time_append.setAttribute('placeholder', 'Time');
131 
+                    time_append.required = true;
132 
+                    time_append.value = hours + ':' + minutes;
133 
+                    addToForm(form_append, time_append, 'Time:');
134 
+
135 
+                    var weight_append = document.createElement('input');
136 
+                    weight_append.setAttribute('type', 'number');
137 
+                    weight_append.setAttribute('name', 'weight');
138 
+                    weight_append.setAttribute('step', '0.1');
139 
+                    weight_append.setAttribute('placeholder', 'Weight');
140 
+                    weight_append.required = true;
141 
+                    addToForm(form_append, weight_append, 'Weight:');
142 
+
143 
+                    var submit_append = document.createElement('input');
144 
+                    submit_append.setAttribute('type', 'submit');
145 
+                    submit_append.setAttribute('value', 'Add Data');
146 
+                    form_append.appendChild(submit_append);
147 
+
148 
+                    div.appendChild(form_append);
149 
+                    div.appendChild(document.createElement('hr'));
150 
+                }
151 
+
152 
+                var form_new = document.createElement('form');
153 
+                form_new.setAttribute('method', 'post');
154 
+                form_new.setAttribute('action', 'weight.php');
155 
+
156 
+                var p_new = document.createElement('p');
157 
+                p_new.innerHTML = 'Add new User:';
158 
+                form_new.appendChild(p_new);
159 
+
160 
+                var name_new = document.createElement('input');
161 
+                name_new.setAttribute('type', 'text');
162 
+                name_new.setAttribute('name', 'username');
163 
+                name_new.setAttribute('placeholder', 'Name');
164 
+                name_new.required = true;
165 
+                addToForm(form_new, name_new, 'Username:');
166 
+
167 
+                var submit_new = document.createElement('input');
168 
+                submit_new.setAttribute('type', 'submit');
169 
+                submit_new.setAttribute('value', 'Add User');
170 
+                form_new.appendChild(submit_new);
171 
+
172 
+                div.appendChild(form_new);
173 
+                div.appendChild(document.createElement('hr'));
174 
+                document.getElementById("content").appendChild(div);
175 
+            };
176 
+
177 
+            var getJSON = function(url, callback) {
178 
+                var xhr = new XMLHttpRequest();
179 
+                xhr.open('GET', url, true);
180 
+                xhr.responseType = 'json';
181 
+                xhr.onload = function() {
182 
+                    if (xhr.status === 200) {
183 
+                        callback(null, xhr.response);
184 
+                    } else {
185 
+                        callback(xhr.status, xhr.response);
186 
+                    }
187 
+                };
188 
+                xhr.send();
189 
+            };
190 
+
191 
+            document.getElementById("status").textContent = "Loading from Database...";
192 
+
193 
+            getJSON('weight.php', function(err, data) {
194 
+                if (err !== null) {
195 
+                    document.getElementById("status").textContent = 'Error: ' + err;
196 
+                    return;
197 
+                }
198 
+                if (typeof data.error !== 'undefined') {
199 
+                    document.getElementById("status").textContent = 'Error: ' + data.error;
200 
+                    return;
201 
+                }
202 
+                if (typeof data.users !== 'undefined') {
203 
+                    var s = 'Received data for ' + data.users.length + ' users';
204 
+                    if (data.users.length > 0) {
205 
+                        s += ': ';
206 
+                        for (var i = 0; i < data.users.length; i++) {
207 
+                            s += '"' + data.users[i].name + '"';
208 
+                            if (i < (data.users.length - 1)) {
209 
+                                s += ', ';
210 
+                            }
211 
+                        }
212 
+                        s += '. Rendering...';
213 
+                    } else {
214 
+                        s += '. Nothing to show!';
215 
+                    }
216 
+                    document.getElementById("status").textContent = s;
217 
+                    renderUser(data);
218 
+                } else {
219 
+                    document.getElementById("status").textContent = 'Error: no data';
220 
+                    return;
221 
+                }
222 
+            });
223 
+        </script>
224 
+    </body>
225 
+</html>

+ 0
- 9
index.php 查看文件 

@@ -1,9 +0,0 @@
1 
-<html>
2 
-    <head>
3 
-        <title>Weight-Track</title>
4 
-    </head>
5 
-    <body>
6 
-        <h1>Hello World</h1>
7 
-    </body>
8 
-</html>
9 
-

+ 256
- 0
weight.php 查看文件 

@@ -0,0 +1,256 @@
1 
+<?php
2 
+
3 
+/*
4 
+ * When calleld as is, return JSON object like this:
5 
+ * {
6 
+ *   "users": [
7 
+ *     {
8 
+ *       "name": "User 1",
9 
+ *       "id": 0,
10 
+ *       "data": [
11 
+ *         {
12 
+ *           "x": "2018-10-29 20:30",
13 
+ *           "y": "110.0"
14 
+ *         },
15 
+ *         {
16 
+ *           "x": "2018-10-30 20:30",
17 
+ *           "y": "110.5"
18 
+ *         }
19 
+ *       ]
20 
+ *     },
21 
+ *     {
22 
+ *       "name": "User 2",
23 
+ *       "id": 1,
24 
+ *       "data": [
25 
+ *         {
26 
+ *           "x": "2018-10-29 20:30",
27 
+ *           "y": "105.5"
28 
+ *         },
29 
+ *         {
30 
+ *           "x": "2018-10-30 20:30",
31 
+ *           "y": "105.0"
32 
+ *         }
33 
+ *       ]
34 
+ *     }
35 
+ *   ]
36 
+ * }
37 
+ * or
38 
+ * {
39 
+ *   "error": "No configuration found"
40 
+ * }
41 
+ *
42 
+ * When called with POST parameters, add user or data-point to db
43 
+ * parameters: username, (date, time, weight)
44 
+ */
45 
+
46 
+function print_json_error($s) {
47 
+    echo '{';
48 
+    echo '  "error": "' . $s;
49 
+    if (mysql_errno()) {
50 
+        echo ' (' . mysql_error() . ')';
51 
+    }
52 
+    echo '"';
53 
+    echo '}';
54 
+}
55 
+
56 
+function print_html($s) {
57 
+    echo '<html lang="en">';
58 
+    echo '    <head>';
59 
+    echo '        <meta charset="utf-8" />';
60 
+    echo '        <title>Weight-Track DB</title>';
61 
+    echo '    </head>';
62 
+    echo '    <body>';
63 
+    echo '        <p>' . $s . '</p>';
64 
+    if (mysql_errno()) {
65 
+        echo '<p>MySQL Error: "' . mysql_error() . '"</p>';
66 
+    }
67 
+    echo '        <a href="index.html">Back to Main-Page...</a>';
68 
+    echo '    </body>';
69 
+    echo '</html>';
70 
+}
71 
+
72 
+function print_error($s) {
73 
+    if (isset($_POST['username'])) {
74 
+        return print_html($s);
75 
+    } else {
76 
+        return print_json_error($s);
77 
+    }
78 
+}
79 
+
80 
+include('config.php');
81 
+
82 
+if ((!isset($sql_host))
83 
+        || (!isset($sql_username))
84 
+        || (!isset($sql_password))
85 
+        || (!isset($sql_database))) {
86 
+    print_error('Configuration Error');
87 
+    exit(1);
88 
+}
89 
+
90 
+$db = mysql_connect($sql_host, $sql_username, $sql_password);
91 
+mysql_select_db($sql_database);
92 
+if (mysql_errno()) {
93 
+    print_error('Database Error');
94 
+    exit(1);
95 
+}
96 
+
97 
+$sql = 'CREATE TABLE IF NOT EXISTS weight_users (';
98 
+$sql .= 'id int NOT NULL AUTO_INCREMENT,';
99 
+$sql .= 'name varchar(255),';
100 
+$sql .= 'PRIMARY KEY (id)';
101 
+$sql .= ');';
102 
+$result = mysql_query($sql);
103 
+if (!$result) {
104 
+    print_error('Error (re-) creating database table for users!');
105 
+    exit(1);
106 
+}
107 
+
108 
+$sql = 'CREATE TABLE IF NOT EXISTS weight_data (';
109 
+$sql .= 'id int NOT NULL,';
110 
+$sql .= 'date DATETIME,';
111 
+$sql .= 'weight DECIMAL(5,2)';
112 
+$sql .= ');';
113 
+$result = mysql_query($sql);
114 
+if (!$result) {
115 
+    print_error('Error (re-) creating database table for weights!');
116 
+    exit(1);
117 
+}
118 
+
119 
+if (isset($_POST['username'])
120 
+        && isset($_POST['date'])
121 
+        && isset($_POST['time'])
122 
+        && isset($_POST['weight'])) {
123 
+    $sql = 'INSERT INTO weight_data(id, date, weight) VALUES (';
124 
+    $sql .= mysql_real_escape_string(str_replace('user_', '', $_POST['username']));
125 
+    $sql .= ', ';
126 
+
127 
+    $datetime = $_POST['date'] . $_POST['time'];
128 
+    $timestamp = strtotime($datetime);
129 
+    if (($timestamp == FALSE) || ($timestamp == -1)) {
130 
+        print_error('Error interpreting DateTime: "' . $datetime . '"');
131 
+        exit(1);
132 
+    }
133 
+    $mysqltime = date("Y-m-d H:i:s", $timestamp);
134 
+    $sql .= '"' . $mysqltime . '", ';
135 
+
136 
+    $sql .= mysql_real_escape_string($_POST['weight']) . ')';
137 
+
138 
+    $result = mysql_query($sql);
139 
+    if (!$result) {
140 
+        print_error('Error adding new data for user "' . $_POST['username'] . '" to DB! ' . $sql);
141 
+    } else {
142 
+        print_error('Added new data for user "' . $_POST['username'] . '" to DB!');
143 
+    }
144 
+} else if (isset($_POST['username'])) {
145 
+    $sql = 'INSERT INTO weight_users(name) VALUES ("';
146 
+    $sql .= mysql_real_escape_string($_POST['username']);
147 
+    $sql .= '")';
148 
+    $result = mysql_query($sql);
149 
+    if (!$result) {
150 
+        print_error('Error adding new user "' . $_POST['username'] . '" to DB!');
151 
+    } else {
152 
+        print_error('Added new user "' . $_POST['username'] . '" to DB!');
153 
+    }
154 
+} else if (isset($_GET['debug'])) {
155 
+    echo <<<EOF
156 
+{
157 
+  "users": [
158 
+    {
159 
+      "name": "User 1",
160 
+      "id": 0,
161 
+      "data": [
162 
+        {
163 
+          "x": "2018-10-27 20:30",
164 
+          "y": "110.0"
165 
+        },
166 
+        {
167 
+          "x": "2018-10-28 20:30",
168 
+          "y": "110.7"
169 
+        },
170 
+        {
171 
+          "x": "2018-10-29 20:30",
172 
+          "y": "110.2"
173 
+        },
174 
+        {
175 
+          "x": "2018-10-30 20:30",
176 
+          "y": "111.8"
177 
+        }
178 
+      ]
179 
+    },
180 
+    {
181 
+      "name": "User 2",
182 
+      "id": 1,
183 
+      "data": [
184 
+        {
185 
+          "x": "2018-10-27 20:30",
186 
+          "y": "103.5"
187 
+        },
188 
+        {
189 
+          "x": "2018-10-28 20:30",
190 
+          "y": "105.0"
191 
+        },
192 
+        {
193 
+          "x": "2018-10-29 20:30",
194 
+          "y": "105.5"
195 
+        },
196 
+        {
197 
+          "x": "2018-10-30 20:30",
198 
+          "y": "104.0"
199 
+        }
200 
+      ]
201 
+    }
202 
+  ]
203 
+}
204 
+EOF;
205 
+} else {
206 
+    $sql = 'SELECT id, name FROM weight_users ORDER BY id ASC';
207 
+    $result = mysql_query($sql);
208 
+    if (!$result) {
209 
+        print_error('Error fetching users from database!');
210 
+        exit(1);
211 
+    }
212 
+    $data = array();
213 
+    while ($row = mysql_fetch_array($result)) {
214 
+        $sql2 = 'SELECT date, weight FROM weight_data ';
215 
+        $sql2 .= 'WHERE id = "' . $row['id'] . '" ORDER BY date ASC';
216 
+        $result2 = mysql_query($sql2);
217 
+        if (!$result2) {
218 
+            print_error('Error fetching data for user ' . $row['id'] . ' "' . $row['name'] . '"!');
219 
+            exit(1);
220 
+        }
221 
+        $cur = array();
222 
+        $cur['name'] = $row['name'];
223 
+        $cur['id'] = $row['id'];
224 
+        $cur['data'] = array();
225 
+        while ($row2 = mysql_fetch_array($result2)) {
226 
+            $elem = array();
227 
+            $elem['date'] = $row2['date'];
228 
+            $elem['weight'] = $row2['weight'];
229 
+            $cur['data'][] = $elem;
230 
+        }
231 
+        $data[] = $cur;
232 
+    }
233 
+    echo '{"users": [';
234 
+    foreach ($data as $data_key => $data_value) {
235 
+        if ($data_key > 0) {
236 
+            echo ',';
237 
+        }
238 
+        echo '{';
239 
+        echo '"name": "' . $data_value['name'] . '",';
240 
+        echo '"id": ' . $data_value['id'] . ',';
241 
+        echo '"data": [';
242 
+        foreach ($data_value['data'] as $row_key => $row_value) {
243 
+            if ($row_key > 0) {
244 
+                echo ',';
245 
+            }
246 
+            echo '{';
247 
+            echo '"x": "' . $row_value['date'] . '",';
248 
+            echo '"y": "' . $row_value['weight'] . '"';
249 
+            echo '}';
250 
+        }
251 
+        echo ']}';
252 
+    }
253 
+    echo ']}';
254 
+}
255 
+
256 
+?>

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