PERFORM migration_tools.exec( $1, 'CREATE UNIQUE INDEX ' || migration_schema || '_patron_barcode_key ON ' || migration_schema || '.actor_card ( barcode );' );
PERFORM migration_tools.exec( $1, 'CREATE UNIQUE INDEX ' || migration_schema || '_patron_usrname_key ON ' || migration_schema || '.actor_usr ( usrname );' );
PERFORM migration_tools.exec( $1, 'CREATE UNIQUE INDEX ' || migration_schema || '_copy_barcode_key ON ' || migration_schema || '.asset_copy ( barcode );' );
+ PERFORM migration_tools.exec( $1, 'CREATE UNIQUE INDEX ' || migration_schema || '_copy_id_key ON ' || migration_schema || '.asset_copy ( id );' );
PERFORM migration_tools.exec( $1, 'CREATE INDEX ' || migration_schema || '_callnum_record_idx ON ' || migration_schema || '.asset_call_number ( record );' );
PERFORM migration_tools.exec( $1, 'CREATE INDEX ' || migration_schema || '_callnum_upper_label_id_lib_idx ON ' || migration_schema || '.asset_call_number ( UPPER(label),id,owning_lib );' );
PERFORM migration_tools.exec( $1, 'CREATE UNIQUE INDEX ' || migration_schema || '_callnum_label_once_per_lib ON ' || migration_schema || '.asset_call_number ( record,owning_lib,label );' );
END;
$$ LANGUAGE PLPGSQL STRICT STABLE;
+CREATE OR REPLACE FUNCTION migration_tools.attempt_timestamptz (TEXT,TEXT) RETURNS TIMESTAMPTZ AS $$
+ DECLARE
+ attempt_value ALIAS FOR $1;
+ fail_value ALIAS FOR $2;
+ output TIMESTAMPTZ;
+ BEGIN
+ FOR output IN
+ EXECUTE 'SELECT ' || quote_literal(attempt_value) || '::TIMESTAMPTZ AS a;'
+ LOOP
+ RETURN output;
+ END LOOP;
+ EXCEPTION
+ WHEN OTHERS THEN
+ FOR output IN
+ EXECUTE 'SELECT ' || quote_literal(fail_value) || '::TIMESTAMPTZ AS a;'
+ LOOP
+ RETURN output;
+ END LOOP;
+ END;
+$$ LANGUAGE PLPGSQL STRICT STABLE;
+
CREATE OR REPLACE FUNCTION migration_tools.attempt_money (TEXT,TEXT) RETURNS NUMERIC(8,2) AS $$
DECLARE
attempt_value ALIAS FOR $1;
this_fine_rule INT;
this_max_fine_rule INT;
rcd config.rule_circ_duration%ROWTYPE;
- rrf config.rule_recuring_fine%ROWTYPE;
+ rrf config.rule_recurring_fine%ROWTYPE;
rmf config.rule_max_fine%ROWTYPE;
circ INT;
n INT := 0;
-- Fetch the correct rules for this circulation
EXECUTE ('
- SELECT
- circ_lib,
- target_copy,
- usr,
- CASE
- WHEN phone_renewal OR desk_renewal OR opac_renewal THEN TRUE
- ELSE FALSE
- END
- FROM ' || tablename || ' WHERE id = ' || circ || ';')
+ SELECT
+ circ_lib,
+ target_copy,
+ usr,
+ CASE
+ WHEN phone_renewal OR desk_renewal OR opac_renewal THEN TRUE
+ ELSE FALSE
+ END
+ FROM ' || tablename || ' WHERE id = ' || circ || ';')
INTO circ_lib, target_copy, usr, is_renewal ;
- SELECT
+ SELECT
INTO this_duration_rule,
this_fine_rule,
- this_max_fine_rule
- duration_rule,
- recurring_fine_rule,
- max_fine_rule
- FROM action.find_circ_matrix_matchpoint(
- circ_lib,
- target_copy,
- usr,
- is_renewal
+ this_max_fine_rule
+ duration_rule,
+ recurring_fine_rule,
+ max_fine_rule
+ FROM action.find_circ_matrix_matchpoint(
+ circ_lib,
+ target_copy,
+ usr,
+ is_renewal
);
- SELECT INTO rcd * FROM config.rule_circ_duration
+ SELECT INTO rcd * FROM config.rule_circ_duration
WHERE id = this_duration_rule;
- SELECT INTO rrf * FROM config.rule_recuring_fine
+ SELECT INTO rrf * FROM config.rule_recurring_fine
WHERE id = this_fine_rule;
- SELECT INTO rmf * FROM config.rule_max_fine
+ SELECT INTO rmf * FROM config.rule_max_fine
WHERE id = this_max_fine_rule;
-- Apply the rules to this circulation
EXECUTE ('UPDATE ' || tablename || ' c
SET
duration_rule = rcd.name,
- recuring_fine_rule = rrf.name,
+ recurring_fine_rule = rrf.name,
max_fine_rule = rmf.name,
duration = rcd.normal,
- recuring_fine = rrf.normal,
- max_fine = rmf.amount,
+ recurring_fine = rrf.normal,
+ max_fine =
+ CASE rmf.is_percent
+ WHEN TRUE THEN (rmf.amount / 100.0) * ac.price
+ ELSE rmf.amount
+ END,
renewal_remaining = rcd.max_renewals
FROM
config.rule_circ_duration rcd,
- config.rule_recuring_fine rrf,
- config.rule_max_fine rmf
+ config.rule_recurring_fine rrf,
+ config.rule_max_fine rmf,
+ asset.copy ac
WHERE
rcd.id = ' || this_duration_rule || ' AND
rrf.id = ' || this_fine_rule || ' AND
rmf.id = ' || this_max_fine_rule || ' AND
+ ac.id = c.target_copy AND
c.id = ' || circ || ';');
-- Keep track of where we are in the process
n := n + 1;
- IF (n % 100 = 0) THEN
- RAISE INFO '%', n || ' of ' || n_circs
+ IF (n % 100 = 0) THEN
+ RAISE INFO '%', n || ' of ' || n_circs
|| ' (' || (100*n/n_circs) || '%) circs updated.';
END IF;
END;
$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION migration_tools.stage_not_applicable_asset_stat_cats( schemaname TEXT ) RETURNS VOID AS $$
+
+-- USAGE: Make sure the stat_cat and stat_cat_entry tables are populated, including exactly one 'Not Applicable' entry per stat cat.
+-- Then SELECT migration_tools.stage_not_applicable_asset_stat_cats('m_foo');
+
+-- TODO: Make a variant that will go directly to production tables -- which would be useful for retrofixing the absence of N/A cats.
+-- TODO: Add a similar tool for actor stat cats, which behave differently.
+
+DECLARE
+ c TEXT := schemaname || '.asset_copy_legacy';
+ sc TEXT := schemaname || '.asset_stat_cat';
+ sce TEXT := schemaname || '.asset_stat_cat_entry';
+ scecm TEXT := schemaname || '.asset_stat_cat_entry_copy_map';
+ stat_cat INT;
+ stat_cat_entry INT;
+
+BEGIN
+
+ FOR stat_cat IN EXECUTE ('SELECT id FROM ' || sc) LOOP
+
+ EXECUTE ('SELECT id FROM ' || sce || ' WHERE stat_cat = ' || stat_cat || E' AND value = \'Not Applicable\';') INTO stat_cat_entry;
+
+ EXECUTE ('INSERT INTO ' || scecm || ' (owning_copy, stat_cat, stat_cat_entry)
+ SELECT c.id, ' || stat_cat || ', ' || stat_cat_entry || ' FROM ' || c || ' c WHERE c.id NOT IN
+ (SELECT owning_copy FROM ' || scecm || ' WHERE stat_cat = ' || stat_cat || ');');
+
+ END LOOP;
+
+ RETURN;
+END;
+
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION migration_tools.assign_standing_penalties ( ) RETURNS VOID AS $$
+
+-- USAGE: Once circulation data has been loaded, and group penalty thresholds have been set up, run this.
+-- This will assign standing penalties as needed.
+
+DECLARE
+ org_unit INT;
+ usr INT;
+
+BEGIN
+
+ FOR org_unit IN EXECUTE ('SELECT DISTINCT org_unit FROM permission.grp_penalty_threshold;') LOOP
+
+ FOR usr IN EXECUTE ('SELECT id FROM actor.usr WHERE NOT deleted;') LOOP
+
+ EXECUTE('SELECT actor.calculate_system_penalties(' || usr || ', ' || org_unit || ');');
+
+ END LOOP;
+
+ END LOOP;
+
+ RETURN;
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.insert_metarecords_for_pristine_database () RETURNS VOID AS $$
+
+BEGIN
+ INSERT INTO metabib.metarecord (fingerprint, master_record)
+ SELECT DISTINCT ON (b.fingerprint) b.fingerprint, b.id
+ FROM biblio.record_entry b
+ WHERE NOT b.deleted
+ AND b.id IN (SELECT r.id FROM biblio.record_entry r LEFT JOIN metabib.metarecord_source_map k ON (k.source = r.id) WHERE k.id IS NULL AND r.fingerprint IS NOT NULL)
+ AND NOT EXISTS ( SELECT 1 FROM metabib.metarecord WHERE fingerprint = b.fingerprint )
+ ORDER BY b.fingerprint, b.quality DESC;
+ INSERT INTO metabib.metarecord_source_map (metarecord, source)
+ SELECT m.id, r.id
+ FROM biblio.record_entry r
+ JOIN metabib.metarecord m USING (fingerprint)
+ WHERE NOT r.deleted;
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.insert_metarecords_for_incumbent_database () RETURNS VOID AS $$
+
+BEGIN
+ INSERT INTO metabib.metarecord (fingerprint, master_record)
+ SELECT DISTINCT ON (b.fingerprint) b.fingerprint, b.id
+ FROM biblio.record_entry b
+ WHERE NOT b.deleted
+ AND b.id IN (SELECT r.id FROM biblio.record_entry r LEFT JOIN metabib.metarecord_source_map k ON (k.source = r.id) WHERE k.id IS NULL AND r.fingerprint IS NOT NULL)
+ AND NOT EXISTS ( SELECT 1 FROM metabib.metarecord WHERE fingerprint = b.fingerprint )
+ ORDER BY b.fingerprint, b.quality DESC;
+ INSERT INTO metabib.metarecord_source_map (metarecord, source)
+ SELECT m.id, r.id
+ FROM biblio.record_entry r
+ JOIN metabib.metarecord m USING (fingerprint)
+ WHERE NOT r.deleted
+ AND r.id IN (SELECT b.id FROM biblio.record_entry b LEFT JOIN metabib.metarecord_source_map k ON (k.source = b.id) WHERE k.id IS NULL);
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.create_cards( schemaname TEXT ) RETURNS VOID AS $$
+
+-- USAGE: Make sure the patrons are staged in schemaname.actor_usr_legacy and have 'usrname' assigned.
+-- Then SELECT migration_tools.create_cards('m_foo');
+
+DECLARE
+ u TEXT := schemaname || '.actor_usr_legacy';
+ c TEXT := schemaname || '.actor_card';
+
+BEGIN
+
+ EXECUTE ('DELETE FROM ' || c || ';');
+ EXECUTE ('INSERT INTO ' || c || ' (usr, barcode) SELECT id, usrname FROM ' || u || ';');
+ EXECUTE ('UPDATE ' || u || ' u SET card = c.id FROM ' || c || ' c WHERE c.usr = u.id;');
+
+ RETURN;
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.insert_856_9 (TEXT, TEXT) RETURNS TEXT AS $$
+
+ ## USAGE: UPDATE biblio.record_entry SET marc = migration_tools.insert_856_9(marc, 'ABC') WHERE [...];
+
+ my ($marcxml, $shortname) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+
+ my $xml = $marcxml;
+
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+
+ foreach my $field ( $marc->field('856') ) {
+ if ( scalar(grep( /(netlibrary|overdrive)\.com/i, $field->subfield('u'))) > 0 &&
+ ! ( $field->as_string('9') =~ m/$shortname/ ) ) {
+ $field->add_subfields( '9' => $shortname );
+ $field->update( ind2 => '0');
+ }
+ }
+
+ $xml = $marc->as_xml_record;
+ $xml =~ s/^<\?.+?\?>$//mo;
+ $xml =~ s/\n//sgo;
+ $xml =~ s/>\s+</></sgo;
+ };
+
+ return $xml;
+
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.change_call_number(copy_id BIGINT, new_label TEXT) RETURNS VOID AS $$
+
+DECLARE
+ old_volume BIGINT;
+ new_volume BIGINT;
+ bib BIGINT;
+ owner INTEGER;
+ old_label TEXT;
+ remainder BIGINT;
+
+BEGIN
+
+ -- Bail out if asked to change the label to ##URI##
+ IF new_label = '##URI##' THEN
+ RETURN;
+ END IF;
+
+ -- Gather information
+ SELECT call_number INTO old_volume FROM asset.copy WHERE id = copy_id;
+ SELECT record INTO bib FROM asset.call_number WHERE id = old_volume;
+ SELECT owning_lib, label INTO owner, old_label FROM asset.call_number WHERE id = old_volume;
+
+ -- Bail out if the label already is ##URI##
+ IF old_label = '##URI##' THEN
+ RETURN;
+ END IF;
+
+ -- Bail out if the call number label is already correct
+ IF new_volume = old_volume THEN
+ RETURN;
+ END IF;
+
+ -- Check whether we already have a destination volume available
+ SELECT id INTO new_volume FROM asset.call_number
+ WHERE
+ record = bib AND
+ owning_lib = owner AND
+ label = new_label AND
+ NOT deleted;
+
+ -- Create destination volume if needed
+ IF NOT FOUND THEN
+ INSERT INTO asset.call_number (creator, editor, record, owning_lib, label)
+ VALUES (1, 1, bib, owner, new_label);
+ SELECT id INTO new_volume FROM asset.call_number
+ WHERE
+ record = bib AND
+ owning_lib = owner AND
+ label = new_label AND
+ NOT deleted;
+ END IF;
+
+ -- Move copy to destination
+ UPDATE asset.copy SET call_number = new_volume WHERE id = copy_id;
+
+ -- Delete source volume if it is now empty
+ SELECT id INTO remainder FROM asset.copy WHERE call_number = old_volume AND NOT deleted;
+ IF NOT FOUND THEN
+ DELETE FROM asset.call_number WHERE id = old_volume;
+ END IF;
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION migration_tools.zip_to_city_state_county (TEXT) RETURNS TEXT[] AS $$
+
+ my $input = $_[0];
+ my %zipdata;
+
+ open (FH, '<', '/openils/var/data/zips.txt') or return ('No File Found', 'No File Found', 'No File Found');
+
+ while (<FH>) {
+ chomp;
+ my ($junk, $state, $city, $zip, $foo, $bar, $county, $baz, $morejunk) = split(/\|/);
+ $zipdata{$zip} = [$city, $state, $county];
+ }
+
+ if (defined $zipdata{$input}) {
+ my ($city, $state, $county) = @{$zipdata{$input}};
+ return [$city, $state, $county];
+ } elsif (defined $zipdata{substr $input, 0, 5}) {
+ my ($city, $state, $county) = @{$zipdata{substr $input, 0, 5}};
+ return [$city, $state, $county];
+ } else {
+ return ['ZIP not found', 'ZIP not found', 'ZIP not found'];
+ }
+
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.check_ou_depth ( ) RETURNS VOID AS $$
+
+DECLARE
+ ou INT;
+ org_unit_depth INT;
+ ou_parent INT;
+ parent_depth INT;
+ errors_found BOOLEAN;
+ ou_shortname TEXT;
+ parent_shortname TEXT;
+ ou_type_name TEXT;
+ parent_type TEXT;
+ type_id INT;
+ type_depth INT;
+ type_parent INT;
+ type_parent_depth INT;
+ proper_parent TEXT;
+
+BEGIN
+
+ errors_found := FALSE;
+
+-- Checking actor.org_unit_type
+
+ FOR type_id IN EXECUTE ('SELECT id FROM actor.org_unit_type ORDER BY id;') LOOP
+
+ SELECT depth FROM actor.org_unit_type WHERE id = type_id INTO type_depth;
+ SELECT parent FROM actor.org_unit_type WHERE id = type_id INTO type_parent;
+
+ IF type_parent IS NOT NULL THEN
+
+ SELECT depth FROM actor.org_unit_type WHERE id = type_parent INTO type_parent_depth;
+
+ IF type_depth - type_parent_depth <> 1 THEN
+ SELECT name FROM actor.org_unit_type WHERE id = type_id INTO ou_type_name;
+ SELECT name FROM actor.org_unit_type WHERE id = type_parent INTO parent_type;
+ RAISE INFO 'The % org unit type has a depth of %, but its parent org unit type, %, has a depth of %.',
+ ou_type_name, type_depth, parent_type, type_parent_depth;
+ errors_found := TRUE;
+
+ END IF;
+
+ END IF;
+
+ END LOOP;
+
+-- Checking actor.org_unit
+
+ FOR ou IN EXECUTE ('SELECT id FROM actor.org_unit ORDER BY shortname;') LOOP
+
+ SELECT parent_ou FROM actor.org_unit WHERE id = ou INTO ou_parent;
+ SELECT t.depth FROM actor.org_unit_type t, actor.org_unit o WHERE o.ou_type = t.id and o.id = ou INTO org_unit_depth;
+ SELECT t.depth FROM actor.org_unit_type t, actor.org_unit o WHERE o.ou_type = t.id and o.id = ou_parent INTO parent_depth;
+ SELECT shortname FROM actor.org_unit WHERE id = ou INTO ou_shortname;
+ SELECT shortname FROM actor.org_unit WHERE id = ou_parent INTO parent_shortname;
+ SELECT t.name FROM actor.org_unit_type t, actor.org_unit o WHERE o.ou_type = t.id and o.id = ou INTO ou_type_name;
+ SELECT t.name FROM actor.org_unit_type t, actor.org_unit o WHERE o.ou_type = t.id and o.id = ou_parent INTO parent_type;
+
+ IF ou_parent IS NOT NULL THEN
+
+ IF (org_unit_depth - parent_depth <> 1) OR (
+ (SELECT parent FROM actor.org_unit_type WHERE name = ou_type_name) <> (SELECT id FROM actor.org_unit_type WHERE name = parent_type)
+ ) THEN
+ RAISE INFO '% (org unit %) is a % (depth %) but its parent, % (org unit %), is a % (depth %).',
+ ou_shortname, ou, ou_type_name, org_unit_depth, parent_shortname, ou_parent, parent_type, parent_depth;
+ errors_found := TRUE;
+ END IF;
+
+ END IF;
+
+ END LOOP;
+
+ IF NOT errors_found THEN
+ RAISE INFO 'No errors found.';
+ END IF;
+
+ RETURN;
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.refresh_opac_visible_copies ( ) RETURNS VOID AS $$
+
+BEGIN
+
+ DELETE FROM asset.opac_visible_copies;
+
+ INSERT INTO asset.opac_visible_copies (id, circ_lib, record)
+ SELECT DISTINCT
+ cp.id, cp.circ_lib, cn.record
+ FROM
+ asset.copy cp
+ JOIN asset.call_number cn ON (cn.id = cp.call_number)
+ JOIN actor.org_unit a ON (cp.circ_lib = a.id)
+ JOIN asset.copy_location cl ON (cp.location = cl.id)
+ JOIN config.copy_status cs ON (cp.status = cs.id)
+ JOIN biblio.record_entry b ON (cn.record = b.id)
+ WHERE
+ NOT cp.deleted AND
+ NOT cn.deleted AND
+ NOT b.deleted AND
+ cs.opac_visible AND
+ cl.opac_visible AND
+ cp.opac_visible AND
+ a.opac_visible AND
+ cp.id NOT IN (SELECT id FROM asset.opac_visible_copies);
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.change_owning_lib(copy_id BIGINT, new_owning_lib INTEGER) RETURNS VOID AS $$
+
+DECLARE
+ old_volume BIGINT;
+ new_volume BIGINT;
+ bib BIGINT;
+ old_owning_lib INTEGER;
+ old_label TEXT;
+ remainder BIGINT;
+
+BEGIN
+
+ -- Gather information
+ SELECT call_number INTO old_volume FROM asset.copy WHERE id = copy_id;
+ SELECT record INTO bib FROM asset.call_number WHERE id = old_volume;
+ SELECT owning_lib, label INTO old_owning_lib, old_label FROM asset.call_number WHERE id = old_volume;
+
+ -- Bail out if the new_owning_lib is not the ID of an org_unit
+ IF new_owning_lib NOT IN (SELECT id FROM actor.org_unit) THEN
+ RAISE WARNING
+ '% is not a valid actor.org_unit ID; no change made.',
+ new_owning_lib;
+ RETURN;
+ END IF;
+
+ -- Bail out discreetly if the owning_lib is already correct
+ IF new_owning_lib = old_owning_lib THEN
+ RETURN;
+ END IF;
+
+ -- Check whether we already have a destination volume available
+ SELECT id INTO new_volume FROM asset.call_number
+ WHERE
+ record = bib AND
+ owning_lib = new_owning_lib AND
+ label = old_label AND
+ NOT deleted;
+
+ -- Create destination volume if needed
+ IF NOT FOUND THEN
+ INSERT INTO asset.call_number (creator, editor, record, owning_lib, label)
+ VALUES (1, 1, bib, new_owning_lib, old_label);
+ SELECT id INTO new_volume FROM asset.call_number
+ WHERE
+ record = bib AND
+ owning_lib = new_owning_lib AND
+ label = old_label AND
+ NOT deleted;
+ END IF;
+
+ -- Move copy to destination
+ UPDATE asset.copy SET call_number = new_volume WHERE id = copy_id;
+
+ -- Delete source volume if it is now empty
+ SELECT id INTO remainder FROM asset.copy WHERE call_number = old_volume AND NOT deleted;
+ IF NOT FOUND THEN
+ DELETE FROM asset.call_number WHERE id = old_volume;
+ END IF;
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+
+CREATE OR REPLACE FUNCTION migration_tools.change_owning_lib(copy_id BIGINT, new_owner TEXT) RETURNS VOID AS $$
+
+-- You can use shortnames with this function, which looks up the org unit ID and passes it to change_owning_lib(BIGINT,INTEGER).
+
+DECLARE
+ new_owning_lib INTEGER;
+
+BEGIN
+
+ -- Parse the new_owner as an org unit ID or shortname
+ IF new_owner IN (SELECT shortname FROM actor.org_unit) THEN
+ SELECT id INTO new_owning_lib FROM actor.org_unit WHERE shortname = new_owner;
+ PERFORM migration_tools.change_owning_lib(copy_id, new_owning_lib);
+ ELSIF new_owner ~ E'^[0-9]+$' THEN
+ IF new_owner::INTEGER IN (SELECT id FROM actor.org_unit) THEN
+ RAISE INFO
+ '%',
+ E'You don\'t need to put the actor.org_unit ID in quotes; '
+ || E'if you put it in quotes, I\'m going to try to parse it as a shortname first.';
+ new_owning_lib := new_owner::INTEGER;
+ PERFORM migration_tools.change_owning_lib(copy_id, new_owning_lib);
+ END IF;
+ ELSE
+ RAISE WARNING
+ '% is not a valid actor.org_unit shortname or ID; no change made.',
+ new_owning_lib;
+ RETURN;
+ END IF;
+
+END;
+
+$$ LANGUAGE plpgsql;
+
+
projects / migration-tools.git / blobdiff