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{% extends "base.html" %}
{% block content %}
<script src="https://cdn.jsdelivr.net/npm/vue@2.7.14/dist/vue.min.js"></script>
<script type="module">
//import { createApp } from 'https://unpkg.com/petite-vue?module'
//import { createApp } from 'https://unpkg.com/vue@2.7.14/dist/vue.esm-browser.prod.js'
function valid(str) {
return !isNaN(str) && !isNaN(parseFloat(str))
}
function debounce(func, timeout = 300){
let timer;
return (...args) => {
clearTimeout(timer);
timer = setTimeout(() => { func.apply(this, args); }, timeout);
};
}
const app = new Vue({
el: "#search",
data() {
return {
mz_min: 0,
mz_max: 0,
rt_min: 0,
rt_max: 0,
// query parameters for the maximum date possible.
year_max: 2021,
month_max: 1,
day_max: 31,
// results
results: [],
error: null,
}
},
methods: {
// methods
prepare_query() {
// validation
let query = {}
const fields = ["mz_min", "mz_max", "rt_min", "rt_max",
"year_max", "month_max", "day_max"]
for (let i = 0; i < fields.length; i++) {
const field = fields[i];
if (!valid(this[field])) {
console.log(query, field, this[field])
return null;
} else {
query[field] = this[field]
}
}
return query
},
async fetch_data() {
const query = this.prepare_query()
if (query === null) return;
const api = `/chemical/search`;
fetch(api, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(query)
}).then(async res => {
if (res.status !== 200) {
console.log(`Error Status, ${res.status}`)
const json = await res.json()
throw Error(json.error);
}
return res.json()
}).then(json => {
this.results = json;
this.error = null;
}).catch(e => {
this.error = e.message;
})
}
},
created() {
this.fetch_data = debounce(this.fetch_data, 300)
}
});
</script>
<h1>Search Box</h1>
<div id="search">
<main>
<table>
<tr>
<td>
<label for="mz_min">Minimum M/Z Ratio</label>
</td>
<td>
<input id="mz_min" type="number" name="mz_min" v-model="mz_min" value="0">
</td>
</tr>
<tr>
<td>
<label for="mz_min">Maximum M/Z Ratio</label>
</td>
<td>
<input id="mz_max" type="number" name="mz_max" v-model="mz_max" value="0">
</td>
</tr>
<tr>
<td>
<label for="mz_min">Minimum Retention Time</label>
</td>
<td>
<input id="rt_min" type="number" name="rt_min" v-model="rt_min" value="0">
</td>
</tr>
<tr>
<td>
<label for="mz_min">Maximum Retention Time</label>
</td>
<td>
<input id="rt_max" type="number" name="rt_max" v-model="rt_max" value="0">
</td>
</tr>
<tr>
<td>
<label for="mz_min">Maximum Date</label>
</td>
<td>
<input id="year_max" type="number" name="year_max"
v-model="year_max" placeholder="year">
<input id="month_max" type="number" name="month_max"
v-model="month_max" placeholder="month">
<input id="day_max" type="number" name="day_max"
v-model="day_max" placeholder="day">
</td>
</tr>
</table>
<br>
<button @click="fetch_data()">Search</button>
</main>
<hr>
{% raw %}
<div id="search">
<div v-if="error !== null" style="color: red;">
Uh Oh! There is an Error! {{error}}
</div>
<div v-for="result in results">
<a :href="result.url">
<h3>{{result.name}}</h3>
</a>
<table>
<tr>
<td>Retention Time</td>
<td>{{result.rt}}</td>
</tr>
<tr>
<td>M/Z Ratio</td>
<td>{{result.mz}}</td>
</tr>
</table>
<hr>
</div>
</div>
{% endraw %}
</div>
{% endblock %}