From fa64b506bc0adcf06dc0fb0f1c2315852c5f415c Mon Sep 17 00:00:00 2001
From: mateuswetah <mateus.m.luna@gmail.com>
Date: Mon, 2 Oct 2023 17:13:00 -0300
Subject: [PATCH] Adds UI to show separate page of mapper. #783.

---
 .../edition/mapper-edition-form.vue           | 115 +++------------
 .../admin/components/lists/mappers-list.vue   |  52 +++++--
 .../lists/metadata-mapping-list.vue           | 133 ++++++++++--------
 src/views/admin/js/admin-utilities.js         |   3 +
 src/views/admin/js/router.js                  |   2 +-
 .../js/store/modules/metadata/actions.js      |  31 +++-
 .../js/store/modules/metadata/getters.js      |   4 +-
 .../admin/js/store/modules/metadata/index.js  |   1 +
 .../js/store/modules/metadata/mutations.js    |   4 +-
 src/views/tainacan-i18n.php                   |   2 +
 10 files changed, 170 insertions(+), 177 deletions(-)

diff --git a/src/views/admin/components/edition/mapper-edition-form.vue b/src/views/admin/components/edition/mapper-edition-form.vue
index ef6ac818f..77f67ae5a 100644
--- a/src/views/admin/components/edition/mapper-edition-form.vue
+++ b/src/views/admin/components/edition/mapper-edition-form.vue
@@ -1,13 +1,16 @@
 <template>
-    <div class="page-container repository-level-page">
+    <div
+            :class="{ 'repository-level-page page-container': isRepositoryLevel }"
+            style="padding-bottom: 60px">
         <tainacan-title 
                 :bread-crumb-items="[
                     { path: $routerHelper.getMappersPath(), label: $i18n.get('mappers') },
                     { path: '', label: (mapper != null && mapper.name != undefined) ? mapper.name : $i18n.get('mapper') }
-                ]"/>
+                ]" />
         <metadata-mapping-list
                 v-if="(isRepositoryLevel && $userCaps.hasCapability('tnc_rep_edit_metadata') || (!isRepositoryLevel && collection && collection.current_user_can_edit_metadata))"
-                :is-repository-level="isRepositoryLevel"/>
+                :is-repository-level="isRepositoryLevel"
+                :mapper="mapper" />
         <section 
                 v-else
                 class="section">
@@ -36,13 +39,20 @@
         mixins: [ wpAjax, formHooks ],
         data(){
             return {
-                mapper: null,
                 isLoading: false,
                 isUpdatingSlug: false,
                 isRepositoryLevel: false,
                 collectionId: null
             }
         },
+        computed: {
+            collection() {
+                return this.getCollection();
+            },
+            mapper() {
+                return this.getMapper();
+            }
+        },
         created() {
             this.isRepositoryLevel = (this.$route.params.collectionId === undefined);
             this.collectionId = this.$route.params.collectionId;
@@ -52,7 +62,7 @@
             this.isLoading = true;
 
             const mapperSlug = this.$route.params['mapperSlug'];
-
+            
             this.fetchMapper({ collectionId: this.collectionId, mapperSlug: mapperSlug })
                 .then(res => {
                     this.taxonomy = res.taxonomy;
@@ -62,104 +72,15 @@
         },
         methods: {
             ...mapActions('metadata', [
-                'updateMapper',
                 'fetchMapper',
             ]),
             ...mapGetters('metadata',[
                 'getMapper',
             ]),
+            ...mapGetters('collection',[
+                'getCollection',
+            ]),
             
         }
     }
 </script>
-<style lang="scss" scoped>
-
-    .tab-content {
-        overflow: visible !important;
-    }
-    .status-radios {
-        display: flex;
-    }
-    .status-radios .control-lable {
-        display: flex;
-        align-items: center;
-    }
-    .tainacan-form>.columns {
-        margin-bottom: 48px;
-    }
-    .tainacan-form .column:last-of-type {
-        padding-left: var(--tainacan-one-column) !important;
-    }
-    .two-columns-fields {
-        column-width: 180px;
-
-        .field {
-            margin-bottom: 0px;
-        }
-    }
-    .form-submit {
-        align-items: center;
-    }
-    .updated-at {
-        margin: 0 1em 0 auto;
-        color: var(--tainacan-info-color);
-        font-style: italic;
-    }
-
-    .footer {
-        padding: 14px var(--tainacan-one-column);
-        position: fixed;
-        bottom: 0;
-        right: 0;
-        z-index: 9999;
-        background-color: var(--tainacan-gray1);
-        width: calc(100% - var(--tainacan-sidebar-width, 3.25em));
-        height: 60px;
-        display: flex;
-        justify-content: flex-end;
-        align-items: center;
-        transition: bottom 0.5s ease, width 0.2s linear;
-
-        .footer-message {
-            display: flex;
-            align-items: center;
-        }
-
-        .update-info-section {
-            color: var(--tainacan-info-color);
-            margin-right: auto;
-            display: flex;
-            flex-wrap: nowrap;
-        }
-
-        .help {
-            display: inline-flex;
-            font-size: 1.0em;
-            margin-top: 0;
-            margin-left: 24px;
-
-            .tainacan-help-tooltip-trigger {
-                margin-left: 0.25em;
-            }
-        }
-
-        .link-button {
-            background-color: transparent;
-            border: none;
-        }
-
-        @media screen and (max-width: 769px) {
-            padding: 13px 0.5em;
-            width: 100%;
-            flex-wrap: wrap;
-            height: auto;
-            position: fixed;
-
-            .update-info-section {
-                margin-left: auto;margin-bottom: 0.75em;
-                margin-top: -0.25em;
-            }
-        }
-    }
-</style>
-
diff --git a/src/views/admin/components/lists/mappers-list.vue b/src/views/admin/components/lists/mappers-list.vue
index b5dd1236e..c4ebb8569 100644
--- a/src/views/admin/components/lists/mappers-list.vue
+++ b/src/views/admin/components/lists/mappers-list.vue
@@ -5,12 +5,19 @@
             <div
                     class="mapper"
                     v-for="mapper in mappers"
-                    :key="mapper.slug"
-                    @click="goToMapperEditionPage(mapper.slug)">
-                <h4>{{ mapper.name }}</h4>
-                <p>{{ mapper.description }}</p>       
-                <b-switch 
-                        v-model="mapper.enabled"
+                    :key="mapper.slug">
+                <button 
+                        class="mapper-clickable"
+                        @click="goToMapperEditionPage(mapper.slug)">
+                    <h4>{{ mapper.name }}</h4>
+                    <p>{{ mapper.description }}</p>  
+                </button>     
+                <b-switch
+                        style="z-index: 1;position: relative;"
+                        :false-value="true"
+                        :true-value="false" 
+                        :value="mapper.disabled"
+                        @input="updateCurrentMapper($event, mapper.slug)"
                         size="is-small" />     
             </div>
 
@@ -24,15 +31,32 @@
 </template>
 
 <script>
+    import { mapActions } from 'vuex';
+
     export default {
         name: 'MappersList',
         props: {
             isLoading: false,
+            isRepositoryLevel: false,
             mappers: Array
         },
         methods: {
+            ...mapActions('metadata', [
+                'updateMapper',
+            ]),
             goToMapperEditionPage(mapperSlug) {
-                this.$router.push(this.$routerHelper.getMapperEditPath(mapperSlug));
+                if ( this.isRepositoryLevel )
+                    this.$router.push(this.$routerHelper.getMapperEditPath(mapperSlug));
+                else
+                    this.$router.push(this.$routerHelper.getCollectionMapperEditPath(this.$route.params.collectionId, mapperSlug));
+            },
+            updateCurrentMapper($event, mapperSlug) {
+                this.updateMapper({
+                    isRepositoryLevel: this.isRepositoryLevel,
+                    collectionId: this.$route.params.collectionId,
+                    disabled: $event,
+                    mapper: mapperSlug
+                });
             }
         },
     }
@@ -49,7 +73,6 @@
             border: 1px solid var(--tainacan-gray2);
             padding: 15px;
             min-height: 100px;
-            cursor: pointer;
             background-color: var(--tainacan-item-background-color);
             transition: border 0.3s ease, background-color 0.15s ease;
 
@@ -57,6 +80,19 @@
                 background-color: var(--tainacan-item-hover-background-color);
                 border: 1px solid var(--tainacan-gray3);
             }
+
+            .switch {
+                float: left;
+                margin-top: 12px;
+            }
+
+            .mapper-clickable {
+                text-align: start;
+                border: none;
+                background: none;
+                width: 100%;
+                cursor: pointer;
+            }
         }
     }
 </style>
diff --git a/src/views/admin/components/lists/metadata-mapping-list.vue b/src/views/admin/components/lists/metadata-mapping-list.vue
index a50b39351..f805f3f5a 100644
--- a/src/views/admin/components/lists/metadata-mapping-list.vue
+++ b/src/views/admin/components/lists/metadata-mapping-list.vue
@@ -1,14 +1,13 @@
 <template>
     <div class="metadata-mappers-area">
-        <b-loading
-                :can-cancel="false"
-                :is-full-page="false"
-                :active.sync="isLoadingMapper"/>
+
         <b-loading
                 :can-cancel="false"
                 :is-full-page="false"
                 :active.sync="isLoadingMetadata"/>
 
+        <p>{{ mapper.description }}</p>
+
         <!-- No metadata found warning -->
         <section 
                 v-if="activeMetadatumList.length <= 0 && !isLoadingMetadata"
@@ -44,8 +43,7 @@
                 </div>
             </div>
             <div 
-                    class="mapping-header"
-                    v-if="mapperMetadata.length > 0">
+                    class="mapping-header">
                 <p>{{ $i18n.get('label_from_source_mapper') }}</p>
                 <hr>
                 <span class="icon">
@@ -55,7 +53,21 @@
                 <p>{{ $i18n.get('label_to_target_mapper') }}</p>
             </div>
 
+            <section 
+                    v-if="mapperMetadata.length <= 0"
+                    class="section">
+                <div class="content has-text-grey has-text-centered">
+                    <p>
+                        <span class="icon">
+                            <i class="tainacan-icon tainacan-icon-30px tainacan-icon-processes tainacan-icon-rotate-90"/>
+                        </span>
+                    </p>
+                    <p>{{ $i18n.get('info_no_metadata_from_mapper') }} <span v-if="mapper.allow_extra_metadata">{{ $i18n.get('info_mapper_extra_metadata') }}</span></p>
+                </div>
+            </section>
+
             <div 
+                    v-else
                     v-for="(mapperMetadatum, index) of mapperMetadata"
                     :key="index"
                     class="source-metadatum">
@@ -117,7 +129,7 @@
             </div>
 
              <div 
-                    v-if="mapper && !isLoadingMapper"
+                    v-if="mapper"
                     class="field is-grouped form-submit fixed-form-submit">
                 <div class="control">
                     <button
@@ -199,7 +211,6 @@ export default {
     data() {
         return {
             collectionId: '',
-            isLoadingMapper: true,
             isLoadingMetadata: false,
             mapperMetadata: [],
             isMapperMetadataLoading: false,
@@ -219,34 +230,30 @@ export default {
         }
     },
     mounted() {
-        
-        /* If we're in a collection list, the metadata won't exist as they are read inside sections */        
-        if ( !this.isRepositoryLevel ) {
-            this.collectionId = this.$route.params.collectionId;
+               
+        this.collectionId = this.$route.params.collectionId;
+
+        this.isLoadingMetadata = true;
+        
+        this.cleanMetadata();
+        this.fetchMetadata({
+            collectionId: this.collectionId,
+            isRepositoryLevel: this.isRepositoryLevel, 
+            isContextEdit: true, 
+            includeDisabled: true,
+            includeOptionsAsHtml: false
+        }).then((resp) => {
+            resp.request
+                .then(() => {
+                    this.loadMapperMetadata();
+                    this.isLoadingMetadata = false;
+                })
+                .catch(() => {
+                    this.isLoadingMetadata = false;
+                });
+        })
+        .catch(() => this.isLoadingMetadata = false); 
 
-            this.isLoadingMetadata = true;
-            
-            this.cleanMetadata();
-            this.fetchMetadata({
-                collectionId: this.collectionId,
-                isRepositoryLevel: false, 
-                isContextEdit: true, 
-                includeDisabled: true,
-                includeOptionsAsHtml: false
-            }).then((resp) => {
-                resp.request
-                    .then(() => {
-                        this.loadMapperMetadata();
-                        this.isLoadingMetadata = false;
-                    })
-                    .catch(() => {
-                        this.isLoadingMetadata = false;
-                    });
-            })
-            .catch(() => this.isLoadingMetadata = false); 
-        } else {
-            this.loadMapperMetadata();
-        }
     },
     methods: {
         ...mapActions('metadata', [
@@ -263,9 +270,9 @@ export default {
             this.isMapperMetadataLoading = true;
             this.mapperMetadata = [];
             
-            if (this.mapper) {
-                for (var k in this.mapper.metadata) {
-                    var item = this.mapper.metadata[k];
+            if ( this.mapper && this.mapper.metadata ) {
+                for (let k in this.mapper.metadata) {
+                    let item = this.mapper.metadata[k];
                     item.slug = k;
                     item.selected = '';
                     item.isCustom = false;
@@ -287,7 +294,7 @@ export default {
                     ) {
                         this.newMapperMetadataList.push(Object.assign({},metadatum.exposer_mapping[this.mapper.slug]));
                         this.mappedMetadata.push(metadatum.id);
-                        var item = Object.assign({},metadatum.exposer_mapping[this.mapper.slug]);
+                        let item = Object.assign({},metadatum.exposer_mapping[this.mapper.slug]);
                         item.selected = metadatum.id;
                         item.isCustom = true;
                         this.mapperMetadata.push(item);
@@ -309,10 +316,10 @@ export default {
         },
         onUpdateMapperClick() {
             this.isMapperMetadataLoading = true;
-            var metadataMapperMetadata = [];
+            let metadataMapperMetadata = [];
             this.mapperMetadata.forEach((item) => {
                 if (item.selected.length != 0) {
-                    var map = {
+                    let map = {
                             metadatum_id: item.selected,
                             mapper_metadata: item.slug
                     };
@@ -321,7 +328,7 @@ export default {
             });
             this.activeMetadatumList.forEach((item) => {
                 if(this.mappedMetadata.indexOf(item.id) == -1) {
-                    var map = {
+                    let map = {
                             metadatum_id: item.id,
                             mapper_metadata: ''
                     };
@@ -329,10 +336,10 @@ export default {
                 }
             });
             this.newMapperMetadataList.forEach((item) => {
-                var slug = item.slug;
+                let slug = item.slug;
                 metadataMapperMetadata.forEach( (meta, index) => {
                     if(meta.mapper_metadata == slug) {
-                        var item_clone = Object.assign({}, item); // TODO check if still need to clone
+                        let item_clone = Object.assign({}, item); // TODO check if still need to clone
                         delete item_clone.selected;
                         delete item_clone.isCustom;
                         meta.mapper_metadata = item_clone;
@@ -341,8 +348,10 @@ export default {
                 });
             });
             this.updateMapper({
-                    metadataMapperMetadata: metadataMapperMetadata,
-                    mapper: this.mapper.slug
+                isRepositoryLevel: this.isRepositoryLevel,
+                collectionId: this.collectionId,
+                metadataMapperMetadata: metadataMapperMetadata,
+                mapper: this.mapper.slug
             }).then(() => {
                 this.isMapperMetadataLoading = false;
             })
@@ -366,13 +375,13 @@ export default {
         },
         onSaveNewMetadataMapperMetadata() {
             this.isMapperMetadataLoading = true;
-            var newMapperMetadata = {
+            let newMapperMetadata = {
                     label: this.newMetadataLabel,
                     uri: this.newMetadataUri,
                     slug: this.stringToSlug(this.newMetadataLabel),
                     isCustom: true
             };
-            var selected = '';
+            let selected = '';
             if(this.new_metadata_slug != '') { // Editing
                 this.newMapperMetadataList.forEach((meta, index) => {
                     if(meta.slug == this.new_metadata_slug) {
@@ -400,10 +409,10 @@ export default {
             str = str.toLowerCase();
 
             // remove accents, swap ñ for n, etc
-            var from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
-            var to   = "aaaaeeeeiiiioooouuuunc------";
+            const from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
+            const to   = "aaaaeeeeiiiioooouuuunc------";
 
-            for (var i=0, l=from.length ; i<l ; i++) {
+            for (let i=0, l=from.length ; i<l ; i++) {
                 str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
             }
 
@@ -421,11 +430,11 @@ export default {
             this.isMapperMetadataCreating = true;
         },
         removeMetadatumCustomMapper(customMapperMeta) {
-            var itemid = 0;
+            let itemid = 0;
             this.newMapperMetadataList.forEach((meta, index) => {
                 if(meta.slug == customMapperMeta.slug) {
                     this.newMapperMetadataList.splice(index);
-                    var rem = this.mappedMetadata.indexOf(meta.selected);
+                    let rem = this.mappedMetadata.indexOf(meta.selected);
                     this.mappedMetadata.splice(rem);
                     itemid = customMapperMeta.selected;
                 }
@@ -554,13 +563,17 @@ export default {
     }
 
     .fixed-form-submit {
-        margin-top: 24px;
-        position: sticky !important;
+        padding: 14px var(--tainacan-one-column);
+        position: fixed;
         bottom: 0;
-        background: var(--tainacan-background-color, white);
-        z-index: 9;
-        padding: 12px;
-        border-top: 1px solid  var(--tainacan-gray3);
-        box-shadow: 0 -5px 12px -14px var(--tainacan-gray5);
+        right: 0;
+        z-index: 9999;
+        background-color: var(--tainacan-gray1);
+        width: calc(100% - var(--tainacan-sidebar-width, 3.25em));
+        height: 60px;
+        display: flex;
+        justify-content: flex-end;
+        align-items: center;
+        transition: bottom 0.5s ease, width 0.2s linear;
     }
 </style>
\ No newline at end of file
diff --git a/src/views/admin/js/admin-utilities.js b/src/views/admin/js/admin-utilities.js
index d49e319f0..5a2625c3f 100644
--- a/src/views/admin/js/admin-utilities.js
+++ b/src/views/admin/js/admin-utilities.js
@@ -281,6 +281,9 @@ RouterHelperPlugin.install = function (Vue, options = {}) {
         getCollectionActivityPath(collectionId, activityId) {
             return '/collections/' + collectionId + '/activities/' + activityId;
         },
+        getCollectionMapperEditPath(collectionId, mapperSlug) {
+            return '/collections/'+ collectionId + '/mappers/' + mapperSlug;
+        },
         // New
         getNewCollectionPath() {
             return '/collections/new';
diff --git a/src/views/admin/js/router.js b/src/views/admin/js/router.js
index 0ed6d0f45..714787a53 100644
--- a/src/views/admin/js/router.js
+++ b/src/views/admin/js/router.js
@@ -69,7 +69,7 @@ const routes = [
     { path: '/filters', name: 'FiltersPage', component: FiltersPage, meta: { title: i18nGet('title_repository_filters_page') } },
     
     { path: '/mappers', name: 'MappersPage', component: MappersPage, meta: { title: i18nGet('title_repository_mappers_page') } },
-    { path: '/mappers/:mapperSlug', name: 'MappersEditionForm', component: MapperEditionForm, meta: { title: i18nGet('title_repository_mappers_edit_page') } },
+    { path: '/mappers/:mapperSlug', name: 'MappersEditionForm', component: MapperEditionForm, meta: { title: i18nGet('title_repository_mappers_edit') } },
     
     { path: '/taxonomies', name: 'TaxonomyPage', component: TaxonomyPage, meta: { title: i18nGet('title_taxonomies_page') } },
     { path: '/taxonomies/new', name: 'TaxonomyCreationForm', component: TaxonomyEditionForm, meta: { title: i18nGet('title_create_taxonomy_page') } },
diff --git a/src/views/admin/js/store/modules/metadata/actions.js b/src/views/admin/js/store/modules/metadata/actions.js
index bf8d5714d..30bc71cd0 100644
--- a/src/views/admin/js/store/modules/metadata/actions.js
+++ b/src/views/admin/js/store/modules/metadata/actions.js
@@ -274,13 +274,24 @@ export const fetchMappers = ({commit}) => {
     });
 }
 
-export const updateMapper = ({ dispatch }, {metadataMapperMetadata, mapper}) => {
+export const updateMapper = ({ commit }, { isRepositoryLevel, collectionId, metadataMapperMetadata, disabled, mapper }) => {
     return new Promise((resolve, reject) => {
-        var param = {
-                metadata_mappers: metadataMapperMetadata,
-        };
-        param[tainacan_plugin.exposer_mapper_param] = mapper;
-        axios.tainacan.post('/mappers', param).then((res) => {
+        let params = {};
+
+        if ( metadataMapperMetadata )
+            params['metadata_mappers'] = metadataMapperMetadata;
+
+        if ( disabled !== undefined )
+            params['disabled'] = disabled;
+
+        let endpoint = '/mappers/' + mapper;
+
+        if ( collectionId && !isRepositoryLevel )
+            endpoint = '/collection/' + collectionId + endpoint;
+
+        axios.tainacan.post(endpoint, params)
+            .then((res) => {
+                commit('updateMapper', mapper);
                 resolve(res.data);
             })
             .catch((error) => {
@@ -439,8 +450,14 @@ export const fetchMetadataSectionMetadata = ({commit}, { collectionId , metadata
 
 // MAPPERS
 export const fetchMapper = ({commit}, { collectionId, mapperSlug }) => {
+
+    let endpoint = '/mappers/' + mapperSlug;
+
+    if ( collectionId )
+        endpoint = '/collection/' + collectionId + endpoint;
+
     return new Promise((resolve, reject) => {
-        axios.tainacan.get('/mappers/' + mapperSlug)
+        axios.tainacan.get(endpoint)
             .then((res) => {
                 let mapper = res.data;
                 commit('updateMapper', mapper);
diff --git a/src/views/admin/js/store/modules/metadata/getters.js b/src/views/admin/js/store/modules/metadata/getters.js
index 7a2df278e..33c85d414 100644
--- a/src/views/admin/js/store/modules/metadata/getters.js
+++ b/src/views/admin/js/store/modules/metadata/getters.js
@@ -14,6 +14,6 @@ export const getMappers = state => {
     return state.mappers;
 }
 
-export const getMapper = (state, { mapperSlug }) => {
-    return state.mapper[0];
+export const getMapper = (state) => {
+    return state.mapper;
 }
\ No newline at end of file
diff --git a/src/views/admin/js/store/modules/metadata/index.js b/src/views/admin/js/store/modules/metadata/index.js
index ba9d6dd81..dc26e601b 100644
--- a/src/views/admin/js/store/modules/metadata/index.js
+++ b/src/views/admin/js/store/modules/metadata/index.js
@@ -6,6 +6,7 @@ const state = {
     metadata: [],
     metadatumTypes: [],
     mappers: [],
+    mapper: {},
     metadataSections: []
 };
 
diff --git a/src/views/admin/js/store/modules/metadata/mutations.js b/src/views/admin/js/store/modules/metadata/mutations.js
index 5ae608fe5..16bdd1e71 100644
--- a/src/views/admin/js/store/modules/metadata/mutations.js
+++ b/src/views/admin/js/store/modules/metadata/mutations.js
@@ -242,6 +242,6 @@ export const moveMetadatumDown = (state, { index, sectionIndex }) => {
     state.metadataSections[sectionIndex].metadata_object_list.splice(index + 1, 0, state.metadataSections[sectionIndex].metadata_object_list.splice(index, 1)[0]);
 }
 
-export const updateMapper = (state, { mapper }) => {
-    //state.mappers ...;
+export const updateMapper = (state, mapper) => {
+    state.mapper = mapper;
 }
\ No newline at end of file
diff --git a/src/views/tainacan-i18n.php b/src/views/tainacan-i18n.php
index 7906b5cba..799a6b970 100644
--- a/src/views/tainacan-i18n.php
+++ b/src/views/tainacan-i18n.php
@@ -917,6 +917,7 @@ return apply_filters( 'tainacan-i18n', [
 	'info_target_collection_helper'                  => __( 'The collection where imported item will be added. Only those that you have permission are listed.', 'tainacan' ),
 	'info_source_file_upload'                        => __( 'The file containing the data to be imported.', 'tainacan' ),
 	'info_no_metadata_source_file'                   => __( 'No metadata was found from the source file.', 'tainacan' ),
+	'info_no_metadata_from_mapper'                   => __( 'No metadata was found from this mapper.', 'tainacan' ),
 	'info_no_special_fields_available'               => __( 'No special field was found.', 'tainacan' ),
 	'info_special_fields_mapped_default'             => __( 'Mapped to default field on collection.', 'tainacan' ),
 	'info_metadata_mapping_helper'                   => __( 'Map each file metadata with the corresponding one in selected collection.', 'tainacan' ),
@@ -1051,6 +1052,7 @@ return apply_filters( 'tainacan-i18n', [
 	'info_%s_terms_created'							 => __( '%s terms created with success.', 'tainacan' ),
 	'info_terms_creation_failed_due_to_value_%s'	 => __( 'Terms creation failed due to value: %s.', 'tainacan' ),
 	'info_terms_creation_failed_due_to_values_%s'	 => __( 'Terms creation failed due to values: %s.', 'tainacan' ),
+	'info_mapper_extra_metadata'					 => __( 'You may create new metadata inside the mapper to map them to your own metadata.', 'tainacan' ),
 
 	/* Activity actions */
 	'action_update-metadata-value'	=> __( 'Item Metadata Value Updates', 'tainacan'),