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I copied most of this over from my personal website's repository. So, there are bits of code which look a bit out of place in this context. With that said, the code does run and just needs to be integrated in the defroutes in web.lisp.stable
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(defpackage #:search |
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(:use #:cl |
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#:app-constants |
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#:cl-json |
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#:local-time |
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#:utils) |
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(:import-from #:dexador |
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#:request) |
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(:export #:build-keywords-string |
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#:build-payload |
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#:delete-entry |
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#:find-entry |
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#:get-id |
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#:get-keywords |
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#:submit-entry |
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#:set-filter-attributes)) |
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(in-package #:search) |
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;; Explains the "~{~A~^,~}" in the format call below. |
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;; https://stackoverflow.com/questions/8830888/whats-the-canonical-way-to-join-strings-in-a-list |
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(defun build-keywords-string (id) |
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"Gets the keywords for `ID' in meilisearch DB and formats into a string. |
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The string should look something like: 'art,blog post,testing,whatever'. One |
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thing to note is meilisearch uses the comma to separate and create tokens of the |
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string. So, the user can have spaces in their keywords but they cannot separate |
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the keywords with a space. 'art blog post' is classed as three tokens and |
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'art,blog post' is classes as two." |
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(format nil "~{~A~^,~}" (search:get-keywords (search:find-entry id)))) |
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(defun build-payload (id-value title-value relative-path-value |
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thumbnail-path-value created-at-value keywords-value) |
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"Creates a JSON object which reflects the schema in the meilsearch database. |
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Note: The JSON object to encoded as a string." |
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(cl-json:encode-json-to-string |
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`((("id" . ,id-value) |
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("title" . ,title-value) |
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("relative-path" . ,relative-path-value) |
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("thumbnail-path" . ,thumbnail-path-value) |
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("year" . ,(local-time:timestamp-year created-at-value)) |
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("month" . ,(local-time:timestamp-month created-at-value)) |
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("day" . ,(local-time:timestamp-day created-at-value)) |
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("keywords" . ,(cl-ppcre:split "," keywords-value)))))) |
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(defun build-search-url (path) |
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"Constructs the URL to connect to the meilisearch instance (beta or prod.) |
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The function will check to see which environment the current instance of this |
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site is running in and use the beta or prod. URL's to connect to meilisearch. |
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`PATH' is the relative path which this function will concatenate onto the end of |
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the base URL." |
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(if (ritherdon-archive.config:developmentp) |
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(concatenate 'string "http://localhost:7700" path) |
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(concatenate 'string "https://www.nera.com" path))) |
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(defun delete-entry (id) |
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"Deletes and entry from the meilisearch database based on its `ID'. |
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This does not affect this website's (nera) database -- only the meilisearch |
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one." |
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(dexador:request |
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(build-search-url |
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(format nil "/indexes/nera/documents/~a" id)); (get-id (find-entry id)))) |
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:method :delete |
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:use-connection-pool nil |
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:headers `(("Authorization" . ,(meilisearch-api-key))) |
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:verbose nil)) |
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(defun documents-total () |
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"Gets the total number of documents in the meilisearch database." |
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(rest |
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(second |
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(second |
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(assoc :indexes (cl-json:decode-json-from-string |
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(dexador:request (build-search-url "/stats") |
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:method :get |
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:use-connection-pool nil |
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:headers `(("Content-Type" . "application/json") |
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("Authorization" . ,(meilisearch-api-key))) |
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:verbose nil))))))) |
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(defun find-entry (title) |
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"Finds the entry in the meilisearch database by its `TITLE'." |
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(cl-json:decode-json-from-string |
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(dexador:request |
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(build-search-url "/indexes/nera/search") |
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:method :post |
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:use-connection-pool nil |
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:headers `(("Content-Type" . "application/json") |
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("Authorization" . ,(meilisearch-api-key))) |
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:content (format nil "{ \"q\": \"~a\", \"limit\": 1 }" title) |
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:verbose nil))) |
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(defun get-id (payload) |
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"Gets the id from the JSON `PAYLOAD', make sure limit is set to 1." |
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(rest (third (second (first payload))))) |
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(defun get-keywords (payload) |
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"Get the keywords from the JSON `PAYLOAD'." |
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(rest (first (last (last (second (first payload))))))) |
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(defun meilisearch-api-key () |
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"Returns either the beta or prod. API key for meilisearch. |
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The API key is determined based on which environment this website is |
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currently running in." |
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(if (ritherdon-archive.config:developmentp) |
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"Bearer meilisearch-beta-key" |
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"Bearer meilisearch-production-key-nera")) |
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(defun submit-entry (payload) |
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"Adds a new article to the meilisearch database." |
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(dexador:request ;;"http://127.0.0.1:7700/indexes/nera/documents" |
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(build-search-url "/indexes/nera/documents") |
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:method :post |
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:use-connection-pool nil |
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:headers `(("Content-Type" . "application/json") |
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("Authorization" . ,(meilisearch-api-key))) |
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:content payload |
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:verbose nil)) |
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(defun set-filter-attributes () |
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"Sets the filter attributes in the Meilisearch database. |
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These values are hard-coded into the system because they are based on what Nic |
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has requested. She would like the filtering to consist on years and months." |
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(utils:run-bash-command |
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(format nil "curl -X PATCH \'~a\' -H \'Authorization: ~a\' -H \'Content-Type: application/json\' --data-binary \'{ \"filterableAttributes\": [ \"year\", \"month\", \"keywords\" ]}\'" |
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(build-search-url "/indexes/nera/settings") (meilisearch-api-key)))) |
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